Home / 790,717.78-1,185,898.80-363,844.13

Finding the Fourth Proportional to 790,717.78, 1,185,898.80 and 363,844.13

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Solution

The fourth proportional to 790,717.78, 1,185,898.80 and 363,844.13 is: 545,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,717.78 : 1,185,898.80 = 363,844.13 : x
  2. Step 2: Convert to fraction form
    790,717.78/1,185,898.80 = 363,844.13/x
  3. Step 3: Cross multiply
    790,717.78x = 1,185,898.80 × 363,844.13
  4. Step 4: Simplify right side
    790,717.78x = 431,482,317,154.04
  5. Step 5: Solve for x
    x = 431,482,317,154.04/790,717.78
  6. Step 6: Final answer
    x = 545,684.35

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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.