Home / 972,982.39-1,458,983.59-324,328.92

Finding the Fourth Proportional to 972,982.39, 1,458,983.59 and 324,328.92

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Solution

The fourth proportional to 972,982.39, 1,458,983.59 and 324,328.92 is: 486,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,982.39 : 1,458,983.59 = 324,328.92 : x
  2. Step 2: Convert to fraction form
    972,982.39/1,458,983.59 = 324,328.92/x
  3. Step 3: Cross multiply
    972,982.39x = 1,458,983.59 × 324,328.92
  4. Step 4: Simplify right side
    972,982.39x = 473,190,572,042.42
  5. Step 5: Solve for x
    x = 473,190,572,042.42/972,982.39
  6. Step 6: Final answer
    x = 486,330.05

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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.