Home / 879,873.28-1,320,309.26-475,060.12

Finding the Fourth Proportional to 879,873.28, 1,320,309.26 and 475,060.12

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Solution

The fourth proportional to 879,873.28, 1,320,309.26 and 475,060.12 is: 712,859.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,873.28 : 1,320,309.26 = 475,060.12 : x
  2. Step 2: Convert to fraction form
    879,873.28/1,320,309.26 = 475,060.12/x
  3. Step 3: Cross multiply
    879,873.28x = 1,320,309.26 × 475,060.12
  4. Step 4: Simplify right side
    879,873.28x = 627,226,275,492.71
  5. Step 5: Solve for x
    x = 627,226,275,492.71/879,873.28
  6. Step 6: Final answer
    x = 712,859.78

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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.