Home / 870,385.50-1,201,136.31-508,060.62

Finding the Fourth Proportional to 870,385.50, 1,201,136.31 and 508,060.62

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Solution

The fourth proportional to 870,385.50, 1,201,136.31 and 508,060.62 is: 701,126.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,385.50 : 1,201,136.31 = 508,060.62 : x
  2. Step 2: Convert to fraction form
    870,385.50/1,201,136.31 = 508,060.62/x
  3. Step 3: Cross multiply
    870,385.50x = 1,201,136.31 × 508,060.62
  4. Step 4: Simplify right side
    870,385.50x = 610,250,058,363.11
  5. Step 5: Solve for x
    x = 610,250,058,363.11/870,385.50
  6. Step 6: Final answer
    x = 701,126.18

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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.