Home / 542,590.27-748,788.32-297,584.78

Finding the Fourth Proportional to 542,590.27, 748,788.32 and 297,584.78

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Solution

The fourth proportional to 542,590.27, 748,788.32 and 297,584.78 is: 410,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,590.27 : 748,788.32 = 297,584.78 : x
  2. Step 2: Convert to fraction form
    542,590.27/748,788.32 = 297,584.78/x
  3. Step 3: Cross multiply
    542,590.27x = 748,788.32 × 297,584.78
  4. Step 4: Simplify right side
    542,590.27x = 222,828,004,986.85
  5. Step 5: Solve for x
    x = 222,828,004,986.85/542,590.27
  6. Step 6: Final answer
    x = 410,674.53

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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.