Home / 755,237.31-1,042,253.01-411,085.77

Finding the Fourth Proportional to 755,237.31, 1,042,253.01 and 411,085.77

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Solution

The fourth proportional to 755,237.31, 1,042,253.01 and 411,085.77 is: 567,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,237.31 : 1,042,253.01 = 411,085.77 : x
  2. Step 2: Convert to fraction form
    755,237.31/1,042,253.01 = 411,085.77/x
  3. Step 3: Cross multiply
    755,237.31x = 1,042,253.01 × 411,085.77
  4. Step 4: Simplify right side
    755,237.31x = 428,455,381,150.67
  5. Step 5: Solve for x
    x = 428,455,381,150.67/755,237.31
  6. Step 6: Final answer
    x = 567,312.25

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Double scale
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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.