Home / 890,007.93-1,334,864.25-321,279.93

Finding the Fourth Proportional to 890,007.93, 1,334,864.25 and 321,279.93

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Solution

The fourth proportional to 890,007.93, 1,334,864.25 and 321,279.93 is: 481,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,007.93 : 1,334,864.25 = 321,279.93 : x
  2. Step 2: Convert to fraction form
    890,007.93/1,334,864.25 = 321,279.93/x
  3. Step 3: Cross multiply
    890,007.93x = 1,334,864.25 × 321,279.93
  4. Step 4: Simplify right side
    890,007.93x = 428,865,092,799.50
  5. Step 5: Solve for x
    x = 428,865,092,799.50/890,007.93
  6. Step 6: Final answer
    x = 481,866.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.