Home / 972,021.60-1,458,761.40-498,463.20

Finding the Fourth Proportional to 972,021.60, 1,458,761.40 and 498,463.20

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Solution

The fourth proportional to 972,021.60, 1,458,761.40 and 498,463.20 is: 748,068.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,021.60 : 1,458,761.40 = 498,463.20 : x
  2. Step 2: Convert to fraction form
    972,021.60/1,458,761.40 = 498,463.20/x
  3. Step 3: Cross multiply
    972,021.60x = 1,458,761.40 × 498,463.20
  4. Step 4: Simplify right side
    972,021.60x = 727,138,875,480.48
  5. Step 5: Solve for x
    x = 727,138,875,480.48/972,021.60
  6. Step 6: Final answer
    x = 748,068.64

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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.