Home / 879,299.52-1,213,480.32-556,891.20

Finding the Fourth Proportional to 879,299.52, 1,213,480.32 and 556,891.20

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Solution

The fourth proportional to 879,299.52, 1,213,480.32 and 556,891.20 is: 768,539.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,299.52 : 1,213,480.32 = 556,891.20 : x
  2. Step 2: Convert to fraction form
    879,299.52/1,213,480.32 = 556,891.20/x
  3. Step 3: Cross multiply
    879,299.52x = 1,213,480.32 × 556,891.20
  4. Step 4: Simplify right side
    879,299.52x = 675,776,511,581.18
  5. Step 5: Solve for x
    x = 675,776,511,581.18/879,299.52
  6. Step 6: Final answer
    x = 768,539.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.