Home / 498,777-688,312.26-272,423.04

Finding the Fourth Proportional to 498,777, 688,312.26 and 272,423.04

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Solution

The fourth proportional to 498,777, 688,312.26 and 272,423.04 is: 375,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,777 : 688,312.26 = 272,423.04 : x
  2. Step 2: Convert to fraction form
    498,777/688,312.26 = 272,423.04/x
  3. Step 3: Cross multiply
    498,777x = 688,312.26 × 272,423.04
  4. Step 4: Simplify right side
    498,777x = 187,512,118,338.47
  5. Step 5: Solve for x
    x = 187,512,118,338.47/498,777
  6. Step 6: Final answer
    x = 375,943.80

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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.