Home / 907,981.13-1,253,070.83-500,082.88

Finding the Fourth Proportional to 907,981.13, 1,253,070.83 and 500,082.88

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Solution

The fourth proportional to 907,981.13, 1,253,070.83 and 500,082.88 is: 690,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,981.13 : 1,253,070.83 = 500,082.88 : x
  2. Step 2: Convert to fraction form
    907,981.13/1,253,070.83 = 500,082.88/x
  3. Step 3: Cross multiply
    907,981.13x = 1,253,070.83 × 500,082.88
  4. Step 4: Simplify right side
    907,981.13x = 626,639,267,164.46
  5. Step 5: Solve for x
    x = 626,639,267,164.46/907,981.13
  6. Step 6: Final answer
    x = 690,145.70

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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.