Home / 910,420.62-1,256,380.58-502,522.59

Finding the Fourth Proportional to 910,420.62, 1,256,380.58 and 502,522.59

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Solution

The fourth proportional to 910,420.62, 1,256,380.58 and 502,522.59 is: 693,481.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,420.62 : 1,256,380.58 = 502,522.59 : x
  2. Step 2: Convert to fraction form
    910,420.62/1,256,380.58 = 502,522.59/x
  3. Step 3: Cross multiply
    910,420.62x = 1,256,380.58 × 502,522.59
  4. Step 4: Simplify right side
    910,420.62x = 631,359,620,574.69
  5. Step 5: Solve for x
    x = 631,359,620,574.69/910,420.62
  6. Step 6: Final answer
    x = 693,481.24

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.