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Finding the Fourth Proportional to 650,100.60, 975,150.90 and 545,124.60

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Solution

The fourth proportional to 650,100.60, 975,150.90 and 545,124.60 is: 817,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,100.60 : 975,150.90 = 545,124.60 : x
  2. Step 2: Convert to fraction form
    650,100.60/975,150.90 = 545,124.60/x
  3. Step 3: Cross multiply
    650,100.60x = 975,150.90 × 545,124.60
  4. Step 4: Simplify right side
    650,100.60x = 531,578,744,302.14
  5. Step 5: Solve for x
    x = 531,578,744,302.14/650,100.60
  6. Step 6: Final answer
    x = 817,686.90

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Double scale
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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.