Home / 488,979.04-674,701.85-282,171.98

Finding the Fourth Proportional to 488,979.04, 674,701.85 and 282,171.98

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Solution

The fourth proportional to 488,979.04, 674,701.85 and 282,171.98 is: 389,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,979.04 : 674,701.85 = 282,171.98 : x
  2. Step 2: Convert to fraction form
    488,979.04/674,701.85 = 282,171.98/x
  3. Step 3: Cross multiply
    488,979.04x = 674,701.85 × 282,171.98
  4. Step 4: Simplify right side
    488,979.04x = 190,381,959,316.35
  5. Step 5: Solve for x
    x = 190,381,959,316.35/488,979.04
  6. Step 6: Final answer
    x = 389,345.85

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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.