Home / 578,732.28-869,432.40-554,817.84

Finding the Fourth Proportional to 578,732.28, 869,432.40 and 554,817.84

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Solution

The fourth proportional to 578,732.28, 869,432.40 and 554,817.84 is: 833,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,732.28 : 869,432.40 = 554,817.84 : x
  2. Step 2: Convert to fraction form
    578,732.28/869,432.40 = 554,817.84/x
  3. Step 3: Cross multiply
    578,732.28x = 869,432.40 × 554,817.84
  4. Step 4: Simplify right side
    578,732.28x = 482,376,606,194.02
  5. Step 5: Solve for x
    x = 482,376,606,194.02/578,732.28
  6. Step 6: Final answer
    x = 833,505.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.