Home / 829,456.31-1,144,836.36-542,810.31

Finding the Fourth Proportional to 829,456.31, 1,144,836.36 and 542,810.31

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Solution

The fourth proportional to 829,456.31, 1,144,836.36 and 542,810.31 is: 749,200.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,456.31 : 1,144,836.36 = 542,810.31 : x
  2. Step 2: Convert to fraction form
    829,456.31/1,144,836.36 = 542,810.31/x
  3. Step 3: Cross multiply
    829,456.31x = 1,144,836.36 × 542,810.31
  4. Step 4: Simplify right side
    829,456.31x = 621,428,979,470.87
  5. Step 5: Solve for x
    x = 621,428,979,470.87/829,456.31
  6. Step 6: Final answer
    x = 749,200.38

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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.