Home / 885,124.90-1,221,262.41-503,121.61

Finding the Fourth Proportional to 885,124.90, 1,221,262.41 and 503,121.61

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Solution

The fourth proportional to 885,124.90, 1,221,262.41 and 503,121.61 is: 694,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,124.90 : 1,221,262.41 = 503,121.61 : x
  2. Step 2: Convert to fraction form
    885,124.90/1,221,262.41 = 503,121.61/x
  3. Step 3: Cross multiply
    885,124.90x = 1,221,262.41 × 503,121.61
  4. Step 4: Simplify right side
    885,124.90x = 614,443,509,951.68
  5. Step 5: Solve for x
    x = 614,443,509,951.68/885,124.90
  6. Step 6: Final answer
    x = 694,188.48

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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.