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Finding the Fourth Proportional to 650,055.60, 975,083.40 and 437,479.20

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Solution

The fourth proportional to 650,055.60, 975,083.40 and 437,479.20 is: 656,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,055.60 : 975,083.40 = 437,479.20 : x
  2. Step 2: Convert to fraction form
    650,055.60/975,083.40 = 437,479.20/x
  3. Step 3: Cross multiply
    650,055.60x = 975,083.40 × 437,479.20
  4. Step 4: Simplify right side
    650,055.60x = 426,578,705,765.28
  5. Step 5: Solve for x
    x = 426,578,705,765.28/650,055.60
  6. Step 6: Final answer
    x = 656,218.80

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Similar ratio
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1.5x scale

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.