Home / 907,715.10-1,361,572.65-276,660.30

Finding the Fourth Proportional to 907,715.10, 1,361,572.65 and 276,660.30

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Solution

The fourth proportional to 907,715.10, 1,361,572.65 and 276,660.30 is: 414,990.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,715.10 : 1,361,572.65 = 276,660.30 : x
  2. Step 2: Convert to fraction form
    907,715.10/1,361,572.65 = 276,660.30/x
  3. Step 3: Cross multiply
    907,715.10x = 1,361,572.65 × 276,660.30
  4. Step 4: Simplify right side
    907,715.10x = 376,693,097,820.80
  5. Step 5: Solve for x
    x = 376,693,097,820.80/907,715.10
  6. Step 6: Final answer
    x = 414,990.45

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.