Home / 995,158.25-1,491,853.56-387,805.87

Finding the Fourth Proportional to 995,158.25, 1,491,853.56 and 387,805.87

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Solution

The fourth proportional to 995,158.25, 1,491,853.56 and 387,805.87 is: 581,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,158.25 : 1,491,853.56 = 387,805.87 : x
  2. Step 2: Convert to fraction form
    995,158.25/1,491,853.56 = 387,805.87/x
  3. Step 3: Cross multiply
    995,158.25x = 1,491,853.56 × 387,805.87
  4. Step 4: Simplify right side
    995,158.25x = 578,549,567,748.40
  5. Step 5: Solve for x
    x = 578,549,567,748.40/995,158.25
  6. Step 6: Final answer
    x = 581,364.39

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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.