Home / 890,697.26-1,229,129.29-482,790.35

Finding the Fourth Proportional to 890,697.26, 1,229,129.29 and 482,790.35

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Solution

The fourth proportional to 890,697.26, 1,229,129.29 and 482,790.35 is: 666,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,697.26 : 1,229,129.29 = 482,790.35 : x
  2. Step 2: Convert to fraction form
    890,697.26/1,229,129.29 = 482,790.35/x
  3. Step 3: Cross multiply
    890,697.26x = 1,229,129.29 × 482,790.35
  4. Step 4: Simplify right side
    890,697.26x = 593,411,752,761.73
  5. Step 5: Solve for x
    x = 593,411,752,761.73/890,697.26
  6. Step 6: Final answer
    x = 666,232.82

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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.