Home / 810,036.60-1,117,828.85-447,452.66

Finding the Fourth Proportional to 810,036.60, 1,117,828.85 and 447,452.66

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Solution

The fourth proportional to 810,036.60, 1,117,828.85 and 447,452.66 is: 617,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,036.60 : 1,117,828.85 = 447,452.66 : x
  2. Step 2: Convert to fraction form
    810,036.60/1,117,828.85 = 447,452.66/x
  3. Step 3: Cross multiply
    810,036.60x = 1,117,828.85 × 447,452.66
  4. Step 4: Simplify right side
    810,036.60x = 500,175,487,886.73
  5. Step 5: Solve for x
    x = 500,175,487,886.73/810,036.60
  6. Step 6: Final answer
    x = 617,472.70

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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.