Home / 890,127.29-1,228,374.11-482,239.44

Finding the Fourth Proportional to 890,127.29, 1,228,374.11 and 482,239.44

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Solution

The fourth proportional to 890,127.29, 1,228,374.11 and 482,239.44 is: 665,489.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,127.29 : 1,228,374.11 = 482,239.44 : x
  2. Step 2: Convert to fraction form
    890,127.29/1,228,374.11 = 482,239.44/x
  3. Step 3: Cross multiply
    890,127.29x = 1,228,374.11 × 482,239.44
  4. Step 4: Simplify right side
    890,127.29x = 592,370,444,122.50
  5. Step 5: Solve for x
    x = 592,370,444,122.50/890,127.29
  6. Step 6: Final answer
    x = 665,489.59

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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.