Home / 767,273.52-1,058,839.92-445,174.32

Finding the Fourth Proportional to 767,273.52, 1,058,839.92 and 445,174.32

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Solution

The fourth proportional to 767,273.52, 1,058,839.92 and 445,174.32 is: 614,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,273.52 : 1,058,839.92 = 445,174.32 : x
  2. Step 2: Convert to fraction form
    767,273.52/1,058,839.92 = 445,174.32/x
  3. Step 3: Cross multiply
    767,273.52x = 1,058,839.92 × 445,174.32
  4. Step 4: Simplify right side
    767,273.52x = 471,368,341,374.85
  5. Step 5: Solve for x
    x = 471,368,341,374.85/767,273.52
  6. Step 6: Final answer
    x = 614,341.99

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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.