Home / 974,384.86-1,343,983.90-635,312.38

Finding the Fourth Proportional to 974,384.86, 1,343,983.90 and 635,312.38

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Solution

The fourth proportional to 974,384.86, 1,343,983.90 and 635,312.38 is: 876,296.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,384.86 : 1,343,983.90 = 635,312.38 : x
  2. Step 2: Convert to fraction form
    974,384.86/1,343,983.90 = 635,312.38/x
  3. Step 3: Cross multiply
    974,384.86x = 1,343,983.90 × 635,312.38
  4. Step 4: Simplify right side
    974,384.86x = 853,849,610,190.68
  5. Step 5: Solve for x
    x = 853,849,610,190.68/974,384.86
  6. Step 6: Final answer
    x = 876,296.06

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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.