Home / 648,230.72-972,346.05-174,916.08

Finding the Fourth Proportional to 648,230.72, 972,346.05 and 174,916.08

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Solution

The fourth proportional to 648,230.72, 972,346.05 and 174,916.08 is: 262,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,230.72 : 972,346.05 = 174,916.08 : x
  2. Step 2: Convert to fraction form
    648,230.72/972,346.05 = 174,916.08/x
  3. Step 3: Cross multiply
    648,230.72x = 972,346.05 × 174,916.08
  4. Step 4: Simplify right side
    648,230.72x = 170,078,959,469.48
  5. Step 5: Solve for x
    x = 170,078,959,469.48/648,230.72
  6. Step 6: Final answer
    x = 262,374.11

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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.