Home / 972,003.70-1,458,005.55-498,736.90

Finding the Fourth Proportional to 972,003.70, 1,458,005.55 and 498,736.90

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Solution

The fourth proportional to 972,003.70, 1,458,005.55 and 498,736.90 is: 748,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,003.70 : 1,458,005.55 = 498,736.90 : x
  2. Step 2: Convert to fraction form
    972,003.70/1,458,005.55 = 498,736.90/x
  3. Step 3: Cross multiply
    972,003.70x = 1,458,005.55 × 498,736.90
  4. Step 4: Simplify right side
    972,003.70x = 727,161,168,189.80
  5. Step 5: Solve for x
    x = 727,161,168,189.80/972,003.70
  6. Step 6: Final answer
    x = 748,105.35

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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.