Home / 869,317.20-1,304,623.80-448,376.40

Finding the Fourth Proportional to 869,317.20, 1,304,623.80 and 448,376.40

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Solution

The fourth proportional to 869,317.20, 1,304,623.80 and 448,376.40 is: 672,898.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,317.20 : 1,304,623.80 = 448,376.40 : x
  2. Step 2: Convert to fraction form
    869,317.20/1,304,623.80 = 448,376.40/x
  3. Step 3: Cross multiply
    869,317.20x = 1,304,623.80 × 448,376.40
  4. Step 4: Simplify right side
    869,317.20x = 584,962,522,798.32
  5. Step 5: Solve for x
    x = 584,962,522,798.32/869,317.20
  6. Step 6: Final answer
    x = 672,898.83

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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.