Home / 755,732.45-1,042,911.89-411,569.11

Finding the Fourth Proportional to 755,732.45, 1,042,911.89 and 411,569.11

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Solution

The fourth proportional to 755,732.45, 1,042,911.89 and 411,569.11 is: 567,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,732.45 : 1,042,911.89 = 411,569.11 : x
  2. Step 2: Convert to fraction form
    755,732.45/1,042,911.89 = 411,569.11/x
  3. Step 3: Cross multiply
    755,732.45x = 1,042,911.89 × 411,569.11
  4. Step 4: Simplify right side
    755,732.45x = 429,230,316,317.87
  5. Step 5: Solve for x
    x = 429,230,316,317.87/755,732.45
  6. Step 6: Final answer
    x = 567,965.97

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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.