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Finding the Fourth Proportional to 650,271.60, 975,407.40 and 516,427.20

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Solution

The fourth proportional to 650,271.60, 975,407.40 and 516,427.20 is: 774,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,271.60 : 975,407.40 = 516,427.20 : x
  2. Step 2: Convert to fraction form
    650,271.60/975,407.40 = 516,427.20/x
  3. Step 3: Cross multiply
    650,271.60x = 975,407.40 × 516,427.20
  4. Step 4: Simplify right side
    650,271.60x = 503,726,912,441.28
  5. Step 5: Solve for x
    x = 503,726,912,441.28/650,271.60
  6. Step 6: Final answer
    x = 774,640.80

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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.