Home / 771,332.88-1,156,556.31-411,060.18

Finding the Fourth Proportional to 771,332.88, 1,156,556.31 and 411,060.18

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Solution

The fourth proportional to 771,332.88, 1,156,556.31 and 411,060.18 is: 616,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,332.88 : 1,156,556.31 = 411,060.18 : x
  2. Step 2: Convert to fraction form
    771,332.88/1,156,556.31 = 411,060.18/x
  3. Step 3: Cross multiply
    771,332.88x = 1,156,556.31 × 411,060.18
  4. Step 4: Simplify right side
    771,332.88x = 475,414,244,968.74
  5. Step 5: Solve for x
    x = 475,414,244,968.74/771,332.88
  6. Step 6: Final answer
    x = 616,354.18

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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.