Home / 907,008.83-1,251,678.06-499,099.20

Finding the Fourth Proportional to 907,008.83, 1,251,678.06 and 499,099.20

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Solution

The fourth proportional to 907,008.83, 1,251,678.06 and 499,099.20 is: 688,760.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,008.83 : 1,251,678.06 = 499,099.20 : x
  2. Step 2: Convert to fraction form
    907,008.83/1,251,678.06 = 499,099.20/x
  3. Step 3: Cross multiply
    907,008.83x = 1,251,678.06 × 499,099.20
  4. Step 4: Simplify right side
    907,008.83x = 624,711,518,403.55
  5. Step 5: Solve for x
    x = 624,711,518,403.55/907,008.83
  6. Step 6: Final answer
    x = 688,760.13

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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.