Home / 761,937.57-1,140,663.42-563,144.13

Finding the Fourth Proportional to 761,937.57, 1,140,663.42 and 563,144.13

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Solution

The fourth proportional to 761,937.57, 1,140,663.42 and 563,144.13 is: 843,058.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,937.57 : 1,140,663.42 = 563,144.13 : x
  2. Step 2: Convert to fraction form
    761,937.57/1,140,663.42 = 563,144.13/x
  3. Step 3: Cross multiply
    761,937.57x = 1,140,663.42 × 563,144.13
  4. Step 4: Simplify right side
    761,937.57x = 642,357,909,278.73
  5. Step 5: Solve for x
    x = 642,357,909,278.73/761,937.57
  6. Step 6: Final answer
    x = 843,058.45

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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.