Home / 767,350.86-1,058,948.82-445,252.74

Finding the Fourth Proportional to 767,350.86, 1,058,948.82 and 445,252.74

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Solution

The fourth proportional to 767,350.86, 1,058,948.82 and 445,252.74 is: 614,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,350.86 : 1,058,948.82 = 445,252.74 : x
  2. Step 2: Convert to fraction form
    767,350.86/1,058,948.82 = 445,252.74/x
  3. Step 3: Cross multiply
    767,350.86x = 1,058,948.82 × 445,252.74
  4. Step 4: Simplify right side
    767,350.86x = 471,499,863,624.77
  5. Step 5: Solve for x
    x = 471,499,863,624.77/767,350.86
  6. Step 6: Final answer
    x = 614,451.47

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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.