Home / 897,103.28-1,345,211.84-328,055.42

Finding the Fourth Proportional to 897,103.28, 1,345,211.84 and 328,055.42

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Solution

The fourth proportional to 897,103.28, 1,345,211.84 and 328,055.42 is: 491,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,103.28 : 1,345,211.84 = 328,055.42 : x
  2. Step 2: Convert to fraction form
    897,103.28/1,345,211.84 = 328,055.42/x
  3. Step 3: Cross multiply
    897,103.28x = 1,345,211.84 × 328,055.42
  4. Step 4: Simplify right side
    897,103.28x = 441,304,035,160.17
  5. Step 5: Solve for x
    x = 441,304,035,160.17/897,103.28
  6. Step 6: Final answer
    x = 491,921.10

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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.