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Finding the Fourth Proportional to 578,366.40, 867,549.60 and 574,429.80

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Solution

The fourth proportional to 578,366.40, 867,549.60 and 574,429.80 is: 861,644.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,366.40 : 867,549.60 = 574,429.80 : x
  2. Step 2: Convert to fraction form
    578,366.40/867,549.60 = 574,429.80/x
  3. Step 3: Cross multiply
    578,366.40x = 867,549.60 × 574,429.80
  4. Step 4: Simplify right side
    578,366.40x = 498,346,343,218.08
  5. Step 5: Solve for x
    x = 498,346,343,218.08/578,366.40
  6. Step 6: Final answer
    x = 861,644.70

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Similar ratio
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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.