Home / 761,542.23-1,142,370.72-256,104.66

Finding the Fourth Proportional to 761,542.23, 1,142,370.72 and 256,104.66

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Solution

The fourth proportional to 761,542.23, 1,142,370.72 and 256,104.66 is: 384,176.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,542.23 : 1,142,370.72 = 256,104.66 : x
  2. Step 2: Convert to fraction form
    761,542.23/1,142,370.72 = 256,104.66/x
  3. Step 3: Cross multiply
    761,542.23x = 1,142,370.72 × 256,104.66
  4. Step 4: Simplify right side
    761,542.23x = 292,566,464,839.56
  5. Step 5: Solve for x
    x = 292,566,464,839.56/761,542.23
  6. Step 6: Final answer
    x = 384,176.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.