Home / 885,154.96-1,327,733.24-379,387.72

Finding the Fourth Proportional to 885,154.96, 1,327,733.24 and 379,387.72

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Solution

The fourth proportional to 885,154.96, 1,327,733.24 and 379,387.72 is: 569,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,154.96 : 1,327,733.24 = 379,387.72 : x
  2. Step 2: Convert to fraction form
    885,154.96/1,327,733.24 = 379,387.72/x
  3. Step 3: Cross multiply
    885,154.96x = 1,327,733.24 × 379,387.72
  4. Step 4: Simplify right side
    885,154.96x = 503,725,686,691.81
  5. Step 5: Solve for x
    x = 503,725,686,691.81/885,154.96
  6. Step 6: Final answer
    x = 569,081.92

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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.