Home / 987,670.88-1,480,832.08-475,065.44

Finding the Fourth Proportional to 987,670.88, 1,480,832.08 and 475,065.44

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Solution

The fourth proportional to 987,670.88, 1,480,832.08 and 475,065.44 is: 712,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,670.88 : 1,480,832.08 = 475,065.44 : x
  2. Step 2: Convert to fraction form
    987,670.88/1,480,832.08 = 475,065.44/x
  3. Step 3: Cross multiply
    987,670.88x = 1,480,832.08 × 475,065.44
  4. Step 4: Simplify right side
    987,670.88x = 703,492,143,651.32
  5. Step 5: Solve for x
    x = 703,492,143,651.32/987,670.88
  6. Step 6: Final answer
    x = 712,273.85

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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.