Home / 910,145.11-1,255,991.73-502,250.59

Finding the Fourth Proportional to 910,145.11, 1,255,991.73 and 502,250.59

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Solution

The fourth proportional to 910,145.11, 1,255,991.73 and 502,250.59 is: 693,101.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,145.11 : 1,255,991.73 = 502,250.59 : x
  2. Step 2: Convert to fraction form
    910,145.11/1,255,991.73 = 502,250.59/x
  3. Step 3: Cross multiply
    910,145.11x = 1,255,991.73 × 502,250.59
  4. Step 4: Simplify right side
    910,145.11x = 630,822,587,427.62
  5. Step 5: Solve for x
    x = 630,822,587,427.62/910,145.11
  6. Step 6: Final answer
    x = 693,101.11

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Double scale
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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.