Home / 648,020.40-970,864.20-529,047.60

Finding the Fourth Proportional to 648,020.40, 970,864.20 and 529,047.60

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Solution

The fourth proportional to 648,020.40, 970,864.20 and 529,047.60 is: 792,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,020.40 : 970,864.20 = 529,047.60 : x
  2. Step 2: Convert to fraction form
    648,020.40/970,864.20 = 529,047.60/x
  3. Step 3: Cross multiply
    648,020.40x = 970,864.20 × 529,047.60
  4. Step 4: Simplify right side
    648,020.40x = 513,633,374,935.92
  5. Step 5: Solve for x
    x = 513,633,374,935.92/648,020.40
  6. Step 6: Final answer
    x = 792,619.14

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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.