Home / 542,006.26-747,948.78-312,573.22

Finding the Fourth Proportional to 542,006.26, 747,948.78 and 312,573.22

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Solution

The fourth proportional to 542,006.26, 747,948.78 and 312,573.22 is: 431,339.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,006.26 : 747,948.78 = 312,573.22 : x
  2. Step 2: Convert to fraction form
    542,006.26/747,948.78 = 312,573.22/x
  3. Step 3: Cross multiply
    542,006.26x = 747,948.78 × 312,573.22
  4. Step 4: Simplify right side
    542,006.26x = 233,788,758,559.67
  5. Step 5: Solve for x
    x = 233,788,758,559.67/542,006.26
  6. Step 6: Final answer
    x = 431,339.59

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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.