Home / 755,077.74-1,042,211.98-445,250.91

Finding the Fourth Proportional to 755,077.74, 1,042,211.98 and 445,250.91

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Solution

The fourth proportional to 755,077.74, 1,042,211.98 and 445,250.91 is: 614,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,077.74 : 1,042,211.98 = 445,250.91 : x
  2. Step 2: Convert to fraction form
    755,077.74/1,042,211.98 = 445,250.91/x
  3. Step 3: Cross multiply
    755,077.74x = 1,042,211.98 × 445,250.91
  4. Step 4: Simplify right side
    755,077.74x = 464,045,832,507.90
  5. Step 5: Solve for x
    x = 464,045,832,507.90/755,077.74
  6. Step 6: Final answer
    x = 614,566.96

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1.5x scale

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.