Home / 907,158.58-1,251,832.16-499,299.14

Finding the Fourth Proportional to 907,158.58, 1,251,832.16 and 499,299.14

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Solution

The fourth proportional to 907,158.58, 1,251,832.16 and 499,299.14 is: 689,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,158.58 : 1,251,832.16 = 499,299.14 : x
  2. Step 2: Convert to fraction form
    907,158.58/1,251,832.16 = 499,299.14/x
  3. Step 3: Cross multiply
    907,158.58x = 1,251,832.16 × 499,299.14
  4. Step 4: Simplify right side
    907,158.58x = 625,038,720,912.34
  5. Step 5: Solve for x
    x = 625,038,720,912.34/907,158.58
  6. Step 6: Final answer
    x = 689,007.12

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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.