Home / 869,288.20-1,304,580.30-448,347.40

Finding the Fourth Proportional to 869,288.20, 1,304,580.30 and 448,347.40

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Solution

The fourth proportional to 869,288.20, 1,304,580.30 and 448,347.40 is: 672,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,288.20 : 1,304,580.30 = 448,347.40 : x
  2. Step 2: Convert to fraction form
    869,288.20/1,304,580.30 = 448,347.40/x
  3. Step 3: Cross multiply
    869,288.20x = 1,304,580.30 × 448,347.40
  4. Step 4: Simplify right side
    869,288.20x = 584,905,185,596.22
  5. Step 5: Solve for x
    x = 584,905,185,596.22/869,288.20
  6. Step 6: Final answer
    x = 672,855.31

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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.