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Finding the Fourth Proportional to 586,437.20, 879,655.80 and 254,661.20

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Solution

The fourth proportional to 586,437.20, 879,655.80 and 254,661.20 is: 381,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,437.20 : 879,655.80 = 254,661.20 : x
  2. Step 2: Convert to fraction form
    586,437.20/879,655.80 = 254,661.20/x
  3. Step 3: Cross multiply
    586,437.20x = 879,655.80 × 254,661.20
  4. Step 4: Simplify right side
    586,437.20x = 224,014,201,614.96
  5. Step 5: Solve for x
    x = 224,014,201,614.96/586,437.20
  6. Step 6: Final answer
    x = 381,991.80

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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.