Home / 648,016.60-972,024.90-514,172.20

Finding the Fourth Proportional to 648,016.60, 972,024.90 and 514,172.20

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Solution

The fourth proportional to 648,016.60, 972,024.90 and 514,172.20 is: 771,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,016.60 : 972,024.90 = 514,172.20 : x
  2. Step 2: Convert to fraction form
    648,016.60/972,024.90 = 514,172.20/x
  3. Step 3: Cross multiply
    648,016.60x = 972,024.90 × 514,172.20
  4. Step 4: Simplify right side
    648,016.60x = 499,788,181,287.78
  5. Step 5: Solve for x
    x = 499,788,181,287.78/648,016.60
  6. Step 6: Final answer
    x = 771,258.30

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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.