Home / 711,416.02-1,067,125.82-290,691.88

Finding the Fourth Proportional to 711,416.02, 1,067,125.82 and 290,691.88

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Solution

The fourth proportional to 711,416.02, 1,067,125.82 and 290,691.88 is: 436,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,416.02 : 1,067,125.82 = 290,691.88 : x
  2. Step 2: Convert to fraction form
    711,416.02/1,067,125.82 = 290,691.88/x
  3. Step 3: Cross multiply
    711,416.02x = 1,067,125.82 × 290,691.88
  4. Step 4: Simplify right side
    711,416.02x = 310,204,810,812.34
  5. Step 5: Solve for x
    x = 310,204,810,812.34/711,416.02
  6. Step 6: Final answer
    x = 436,038.55

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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.