Home / 658,089.06-908,079.41-386,057.70

Finding the Fourth Proportional to 658,089.06, 908,079.41 and 386,057.70

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Solution

The fourth proportional to 658,089.06, 908,079.41 and 386,057.70 is: 532,710.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,089.06 : 908,079.41 = 386,057.70 : x
  2. Step 2: Convert to fraction form
    658,089.06/908,079.41 = 386,057.70/x
  3. Step 3: Cross multiply
    658,089.06x = 908,079.41 × 386,057.70
  4. Step 4: Simplify right side
    658,089.06x = 350,571,046,511.67
  5. Step 5: Solve for x
    x = 350,571,046,511.67/658,089.06
  6. Step 6: Final answer
    x = 532,710.64

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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.