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Finding the Fourth Proportional to 573,090.60, 859,635.90 and 440,230.35

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Solution

The fourth proportional to 573,090.60, 859,635.90 and 440,230.35 is: 660,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,090.60 : 859,635.90 = 440,230.35 : x
  2. Step 2: Convert to fraction form
    573,090.60/859,635.90 = 440,230.35/x
  3. Step 3: Cross multiply
    573,090.60x = 859,635.90 × 440,230.35
  4. Step 4: Simplify right side
    573,090.60x = 378,437,813,129.57
  5. Step 5: Solve for x
    x = 378,437,813,129.57/573,090.60
  6. Step 6: Final answer
    x = 660,345.53

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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.