Home / 810,244.17-1,118,159.50-447,691.39

Finding the Fourth Proportional to 810,244.17, 1,118,159.50 and 447,691.39

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Solution

The fourth proportional to 810,244.17, 1,118,159.50 and 447,691.39 is: 617,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,244.17 : 1,118,159.50 = 447,691.39 : x
  2. Step 2: Convert to fraction form
    810,244.17/1,118,159.50 = 447,691.39/x
  3. Step 3: Cross multiply
    810,244.17x = 1,118,159.50 × 447,691.39
  4. Step 4: Simplify right side
    810,244.17x = 500,590,375,205.91
  5. Step 5: Solve for x
    x = 500,590,375,205.91/810,244.17
  6. Step 6: Final answer
    x = 617,826.57

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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.