Home / 969,253.12-1,454,109.72-304,405.12

Finding the Fourth Proportional to 969,253.12, 1,454,109.72 and 304,405.12

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Solution

The fourth proportional to 969,253.12, 1,454,109.72 and 304,405.12 is: 456,679.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,253.12 : 1,454,109.72 = 304,405.12 : x
  2. Step 2: Convert to fraction form
    969,253.12/1,454,109.72 = 304,405.12/x
  3. Step 3: Cross multiply
    969,253.12x = 1,454,109.72 × 304,405.12
  4. Step 4: Simplify right side
    969,253.12x = 442,638,443,809.77
  5. Step 5: Solve for x
    x = 442,638,443,809.77/969,253.12
  6. Step 6: Final answer
    x = 456,679.93

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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.