Home / 852,765.98-1,176,917.65-490,205.12

Finding the Fourth Proportional to 852,765.98, 1,176,917.65 and 490,205.12

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Solution

The fourth proportional to 852,765.98, 1,176,917.65 and 490,205.12 is: 676,540.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,765.98 : 1,176,917.65 = 490,205.12 : x
  2. Step 2: Convert to fraction form
    852,765.98/1,176,917.65 = 490,205.12/x
  3. Step 3: Cross multiply
    852,765.98x = 1,176,917.65 × 490,205.12
  4. Step 4: Simplify right side
    852,765.98x = 576,931,050,738.27
  5. Step 5: Solve for x
    x = 576,931,050,738.27/852,765.98
  6. Step 6: Final answer
    x = 676,540.89

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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.