Home / 972,004.70-1,458,007.05-498,737.90

Finding the Fourth Proportional to 972,004.70, 1,458,007.05 and 498,737.90

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Solution

The fourth proportional to 972,004.70, 1,458,007.05 and 498,737.90 is: 748,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,004.70 : 1,458,007.05 = 498,737.90 : x
  2. Step 2: Convert to fraction form
    972,004.70/1,458,007.05 = 498,737.90/x
  3. Step 3: Cross multiply
    972,004.70x = 1,458,007.05 × 498,737.90
  4. Step 4: Simplify right side
    972,004.70x = 727,163,374,302.20
  5. Step 5: Solve for x
    x = 727,163,374,302.20/972,004.70
  6. Step 6: Final answer
    x = 748,106.85

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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.