Home / 972,004.70-1,458,007.05-499,612.70

Finding the Fourth Proportional to 972,004.70, 1,458,007.05 and 499,612.70

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Solution

The fourth proportional to 972,004.70, 1,458,007.05 and 499,612.70 is: 749,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,004.70 : 1,458,007.05 = 499,612.70 : x
  2. Step 2: Convert to fraction form
    972,004.70/1,458,007.05 = 499,612.70/x
  3. Step 3: Cross multiply
    972,004.70x = 1,458,007.05 × 499,612.70
  4. Step 4: Simplify right side
    972,004.70x = 728,438,838,869.54
  5. Step 5: Solve for x
    x = 728,438,838,869.54/972,004.70
  6. Step 6: Final answer
    x = 749,419.05

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Double scale
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Similar ratio
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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.