Home / 557,118.90-769,545.27-460,712.18

Finding the Fourth Proportional to 557,118.90, 769,545.27 and 460,712.18

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Solution

The fourth proportional to 557,118.90, 769,545.27 and 460,712.18 is: 636,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,118.90 : 769,545.27 = 460,712.18 : x
  2. Step 2: Convert to fraction form
    557,118.90/769,545.27 = 460,712.18/x
  3. Step 3: Cross multiply
    557,118.90x = 769,545.27 × 460,712.18
  4. Step 4: Simplify right side
    557,118.90x = 354,538,880,874.25
  5. Step 5: Solve for x
    x = 354,538,880,874.25/557,118.90
  6. Step 6: Final answer
    x = 636,379.20

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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.