Home / 648,004.20-972,006.30-410,058.60

Finding the Fourth Proportional to 648,004.20, 972,006.30 and 410,058.60

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Solution

The fourth proportional to 648,004.20, 972,006.30 and 410,058.60 is: 615,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,004.20 : 972,006.30 = 410,058.60 : x
  2. Step 2: Convert to fraction form
    648,004.20/972,006.30 = 410,058.60/x
  3. Step 3: Cross multiply
    648,004.20x = 972,006.30 × 410,058.60
  4. Step 4: Simplify right side
    648,004.20x = 398,579,542,569.18
  5. Step 5: Solve for x
    x = 398,579,542,569.18/648,004.20
  6. Step 6: Final answer
    x = 615,087.90

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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.