Home / 907,295.20-1,252,057.44-499,388.32

Finding the Fourth Proportional to 907,295.20, 1,252,057.44 and 499,388.32

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Solution

The fourth proportional to 907,295.20, 1,252,057.44 and 499,388.32 is: 689,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,295.20 : 1,252,057.44 = 499,388.32 : x
  2. Step 2: Convert to fraction form
    907,295.20/1,252,057.44 = 499,388.32/x
  3. Step 3: Cross multiply
    907,295.20x = 1,252,057.44 × 499,388.32
  4. Step 4: Simplify right side
    907,295.20x = 625,262,861,505.10
  5. Step 5: Solve for x
    x = 625,262,861,505.10/907,295.20
  6. Step 6: Final answer
    x = 689,150.41

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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.