Home / 808,306.07-1,115,489.30-440,803.31

Finding the Fourth Proportional to 808,306.07, 1,115,489.30 and 440,803.31

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Solution

The fourth proportional to 808,306.07, 1,115,489.30 and 440,803.31 is: 608,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,306.07 : 1,115,489.30 = 440,803.31 : x
  2. Step 2: Convert to fraction form
    808,306.07/1,115,489.30 = 440,803.31/x
  3. Step 3: Cross multiply
    808,306.07x = 1,115,489.30 × 440,803.31
  4. Step 4: Simplify right side
    808,306.07x = 491,711,367,928.12
  5. Step 5: Solve for x
    x = 491,711,367,928.12/808,306.07
  6. Step 6: Final answer
    x = 608,323.24

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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.