Home / 499,063.92-688,710.02-272,709.44

Finding the Fourth Proportional to 499,063.92, 688,710.02 and 272,709.44

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Solution

The fourth proportional to 499,063.92, 688,710.02 and 272,709.44 is: 376,340.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,063.92 : 688,710.02 = 272,709.44 : x
  2. Step 2: Convert to fraction form
    499,063.92/688,710.02 = 272,709.44/x
  3. Step 3: Cross multiply
    499,063.92x = 688,710.02 × 272,709.44
  4. Step 4: Simplify right side
    499,063.92x = 187,817,723,876.59
  5. Step 5: Solve for x
    x = 187,817,723,876.59/499,063.92
  6. Step 6: Final answer
    x = 376,340.02

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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.