Home / 876,875.83-1,209,754.09-532,581.89

Finding the Fourth Proportional to 876,875.83, 1,209,754.09 and 532,581.89

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Solution

The fourth proportional to 876,875.83, 1,209,754.09 and 532,581.89 is: 734,759.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,875.83 : 1,209,754.09 = 532,581.89 : x
  2. Step 2: Convert to fraction form
    876,875.83/1,209,754.09 = 532,581.89/x
  3. Step 3: Cross multiply
    876,875.83x = 1,209,754.09 × 532,581.89
  4. Step 4: Simplify right side
    876,875.83x = 644,293,119,687.43
  5. Step 5: Solve for x
    x = 644,293,119,687.43/876,875.83
  6. Step 6: Final answer
    x = 734,759.81

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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.