Home / 498,600.42-688,068.09-272,245.92

Finding the Fourth Proportional to 498,600.42, 688,068.09 and 272,245.92

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Solution

The fourth proportional to 498,600.42, 688,068.09 and 272,245.92 is: 375,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,600.42 : 688,068.09 = 272,245.92 : x
  2. Step 2: Convert to fraction form
    498,600.42/688,068.09 = 272,245.92/x
  3. Step 3: Cross multiply
    498,600.42x = 688,068.09 × 272,245.92
  4. Step 4: Simplify right side
    498,600.42x = 187,323,730,184.69
  5. Step 5: Solve for x
    x = 187,323,730,184.69/498,600.42
  6. Step 6: Final answer
    x = 375,699.10

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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.