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Finding the Fourth Proportional to 650,072.40, 975,108.60 and 492,608.40

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Solution

The fourth proportional to 650,072.40, 975,108.60 and 492,608.40 is: 738,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,072.40 : 975,108.60 = 492,608.40 : x
  2. Step 2: Convert to fraction form
    650,072.40/975,108.60 = 492,608.40/x
  3. Step 3: Cross multiply
    650,072.40x = 975,108.60 × 492,608.40
  4. Step 4: Simplify right side
    650,072.40x = 480,346,687,272.24
  5. Step 5: Solve for x
    x = 480,346,687,272.24/650,072.40
  6. Step 6: Final answer
    x = 738,912.60

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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.