Home / 985,507.92-1,359,994.32-555,791.76

Finding the Fourth Proportional to 985,507.92, 1,359,994.32 and 555,791.76

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Solution

The fourth proportional to 985,507.92, 1,359,994.32 and 555,791.76 is: 766,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,507.92 : 1,359,994.32 = 555,791.76 : x
  2. Step 2: Convert to fraction form
    985,507.92/1,359,994.32 = 555,791.76/x
  3. Step 3: Cross multiply
    985,507.92x = 1,359,994.32 × 555,791.76
  4. Step 4: Simplify right side
    985,507.92x = 755,873,636,702.80
  5. Step 5: Solve for x
    x = 755,873,636,702.80/985,507.92
  6. Step 6: Final answer
    x = 766,988.90

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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.