Home / 869,651.18-1,304,463.84-301,445.90

Finding the Fourth Proportional to 869,651.18, 1,304,463.84 and 301,445.90

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Solution

The fourth proportional to 869,651.18, 1,304,463.84 and 301,445.90 is: 452,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,651.18 : 1,304,463.84 = 301,445.90 : x
  2. Step 2: Convert to fraction form
    869,651.18/1,304,463.84 = 301,445.90/x
  3. Step 3: Cross multiply
    869,651.18x = 1,304,463.84 × 301,445.90
  4. Step 4: Simplify right side
    869,651.18x = 393,225,276,266.26
  5. Step 5: Solve for x
    x = 393,225,276,266.26/869,651.18
  6. Step 6: Final answer
    x = 452,164.37

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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.