Home / 890,727.20-1,332,980.40-623,232.80

Finding the Fourth Proportional to 890,727.20, 1,332,980.40 and 623,232.80

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Solution

The fourth proportional to 890,727.20, 1,332,980.40 and 623,232.80 is: 932,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,727.20 : 1,332,980.40 = 623,232.80 : x
  2. Step 2: Convert to fraction form
    890,727.20/1,332,980.40 = 623,232.80/x
  3. Step 3: Cross multiply
    890,727.20x = 1,332,980.40 × 623,232.80
  4. Step 4: Simplify right side
    890,727.20x = 830,757,107,037.12
  5. Step 5: Solve for x
    x = 830,757,107,037.12/890,727.20
  6. Step 6: Final answer
    x = 932,672.88

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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.