Home / 869,645.30-1,304,454.98-301,440.02

Finding the Fourth Proportional to 869,645.30, 1,304,454.98 and 301,440.02

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Solution

The fourth proportional to 869,645.30, 1,304,454.98 and 301,440.02 is: 452,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,645.30 : 1,304,454.98 = 301,440.02 : x
  2. Step 2: Convert to fraction form
    869,645.30/1,304,454.98 = 301,440.02/x
  3. Step 3: Cross multiply
    869,645.30x = 1,304,454.98 × 301,440.02
  4. Step 4: Simplify right side
    869,645.30x = 393,214,929,491.63
  5. Step 5: Solve for x
    x = 393,214,929,491.63/869,645.30
  6. Step 6: Final answer
    x = 452,155.53

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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.