Home / 869,330.20-1,304,643.30-448,389.40

Finding the Fourth Proportional to 869,330.20, 1,304,643.30 and 448,389.40

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Solution

The fourth proportional to 869,330.20, 1,304,643.30 and 448,389.40 is: 672,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,330.20 : 1,304,643.30 = 448,389.40 : x
  2. Step 2: Convert to fraction form
    869,330.20/1,304,643.30 = 448,389.40/x
  3. Step 3: Cross multiply
    869,330.20x = 1,304,643.30 × 448,389.40
  4. Step 4: Simplify right side
    869,330.20x = 584,988,226,501.02
  5. Step 5: Solve for x
    x = 584,988,226,501.02/869,330.20
  6. Step 6: Final answer
    x = 672,918.33

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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.