Home / 542,632.12-748,834.32-300,937.04

Finding the Fourth Proportional to 542,632.12, 748,834.32 and 300,937.04

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Solution

The fourth proportional to 542,632.12, 748,834.32 and 300,937.04 is: 415,294.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,632.12 : 748,834.32 = 300,937.04 : x
  2. Step 2: Convert to fraction form
    542,632.12/748,834.32 = 300,937.04/x
  3. Step 3: Cross multiply
    542,632.12x = 748,834.32 × 300,937.04
  4. Step 4: Simplify right side
    542,632.12x = 225,351,983,711.21
  5. Step 5: Solve for x
    x = 225,351,983,711.21/542,632.12
  6. Step 6: Final answer
    x = 415,294.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.