Home / 660,069.24-989,945.28-304,742.04

Finding the Fourth Proportional to 660,069.24, 989,945.28 and 304,742.04

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Solution

The fourth proportional to 660,069.24, 989,945.28 and 304,742.04 is: 457,039.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,069.24 : 989,945.28 = 304,742.04 : x
  2. Step 2: Convert to fraction form
    660,069.24/989,945.28 = 304,742.04/x
  3. Step 3: Cross multiply
    660,069.24x = 989,945.28 × 304,742.04
  4. Step 4: Simplify right side
    660,069.24x = 301,677,944,115.57
  5. Step 5: Solve for x
    x = 301,677,944,115.57/660,069.24
  6. Step 6: Final answer
    x = 457,039.85

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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.