Home / 755,378.48-1,042,391.22-432,864.02

Finding the Fourth Proportional to 755,378.48, 1,042,391.22 and 432,864.02

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Solution

The fourth proportional to 755,378.48, 1,042,391.22 and 432,864.02 is: 597,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,378.48 : 1,042,391.22 = 432,864.02 : x
  2. Step 2: Convert to fraction form
    755,378.48/1,042,391.22 = 432,864.02/x
  3. Step 3: Cross multiply
    755,378.48x = 1,042,391.22 × 432,864.02
  4. Step 4: Simplify right side
    755,378.48x = 451,213,653,901.90
  5. Step 5: Solve for x
    x = 451,213,653,901.90/755,378.48
  6. Step 6: Final answer
    x = 597,334.54

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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.