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Finding the Fourth Proportional to 498,755.60, 748,230.60 and 214,445.60

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Solution

The fourth proportional to 498,755.60, 748,230.60 and 214,445.60 is: 321,710.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,755.60 : 748,230.60 = 214,445.60 : x
  2. Step 2: Convert to fraction form
    498,755.60/748,230.60 = 214,445.60/x
  3. Step 3: Cross multiply
    498,755.60x = 748,230.60 × 214,445.60
  4. Step 4: Simplify right side
    498,755.60x = 160,454,759,955.36
  5. Step 5: Solve for x
    x = 160,454,759,955.36/498,755.60
  6. Step 6: Final answer
    x = 321,710.19

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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.