Home / 519,072.30-778,827.15-282,584.70

Finding the Fourth Proportional to 519,072.30, 778,827.15 and 282,584.70

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Solution

The fourth proportional to 519,072.30, 778,827.15 and 282,584.70 is: 423,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,072.30 : 778,827.15 = 282,584.70 : x
  2. Step 2: Convert to fraction form
    519,072.30/778,827.15 = 282,584.70/x
  3. Step 3: Cross multiply
    519,072.30x = 778,827.15 × 282,584.70
  4. Step 4: Simplify right side
    519,072.30x = 220,084,636,534.61
  5. Step 5: Solve for x
    x = 220,084,636,534.61/519,072.30
  6. Step 6: Final answer
    x = 423,996.11

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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.