Home / 869,473.20-1,304,218.80-238,386.96

Finding the Fourth Proportional to 869,473.20, 1,304,218.80 and 238,386.96

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Solution

The fourth proportional to 869,473.20, 1,304,218.80 and 238,386.96 is: 357,582.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,473.20 : 1,304,218.80 = 238,386.96 : x
  2. Step 2: Convert to fraction form
    869,473.20/1,304,218.80 = 238,386.96/x
  3. Step 3: Cross multiply
    869,473.20x = 1,304,218.80 × 238,386.96
  4. Step 4: Simplify right side
    869,473.20x = 310,908,754,906.85
  5. Step 5: Solve for x
    x = 310,908,754,906.85/869,473.20
  6. Step 6: Final answer
    x = 357,582.91

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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.