Home / 658,432.09-908,710.02-371,970.62

Finding the Fourth Proportional to 658,432.09, 908,710.02 and 371,970.62

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Solution

The fourth proportional to 658,432.09, 908,710.02 and 371,970.62 is: 513,361.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,432.09 : 908,710.02 = 371,970.62 : x
  2. Step 2: Convert to fraction form
    658,432.09/908,710.02 = 371,970.62/x
  3. Step 3: Cross multiply
    658,432.09x = 908,710.02 × 371,970.62
  4. Step 4: Simplify right side
    658,432.09x = 338,013,429,539.61
  5. Step 5: Solve for x
    x = 338,013,429,539.61/658,432.09
  6. Step 6: Final answer
    x = 513,361.11

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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.