Home / 815,962.86-1,126,008.30-453,387.66

Finding the Fourth Proportional to 815,962.86, 1,126,008.30 and 453,387.66

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Solution

The fourth proportional to 815,962.86, 1,126,008.30 and 453,387.66 is: 625,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,962.86 : 1,126,008.30 = 453,387.66 : x
  2. Step 2: Convert to fraction form
    815,962.86/1,126,008.30 = 453,387.66/x
  3. Step 3: Cross multiply
    815,962.86x = 1,126,008.30 × 453,387.66
  4. Step 4: Simplify right side
    815,962.86x = 510,518,268,277.58
  5. Step 5: Solve for x
    x = 510,518,268,277.58/815,962.86
  6. Step 6: Final answer
    x = 625,663.61

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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.