Home / 711,515.10-1,067,877.45-291,092.70

Finding the Fourth Proportional to 711,515.10, 1,067,877.45 and 291,092.70

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Solution

The fourth proportional to 711,515.10, 1,067,877.45 and 291,092.70 is: 436,886.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,515.10 : 1,067,877.45 = 291,092.70 : x
  2. Step 2: Convert to fraction form
    711,515.10/1,067,877.45 = 291,092.70/x
  3. Step 3: Cross multiply
    711,515.10x = 1,067,877.45 × 291,092.70
  4. Step 4: Simplify right side
    711,515.10x = 310,851,330,189.62
  5. Step 5: Solve for x
    x = 310,851,330,189.62/711,515.10
  6. Step 6: Final answer
    x = 436,886.48

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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.