Home / 885,983.70-1,329,959.70-549,404.40

Finding the Fourth Proportional to 885,983.70, 1,329,959.70 and 549,404.40

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Solution

The fourth proportional to 885,983.70, 1,329,959.70 and 549,404.40 is: 824,716.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,983.70 : 1,329,959.70 = 549,404.40 : x
  2. Step 2: Convert to fraction form
    885,983.70/1,329,959.70 = 549,404.40/x
  3. Step 3: Cross multiply
    885,983.70x = 1,329,959.70 × 549,404.40
  4. Step 4: Simplify right side
    885,983.70x = 730,685,711,002.68
  5. Step 5: Solve for x
    x = 730,685,711,002.68/885,983.70
  6. Step 6: Final answer
    x = 824,716.88

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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.