Home / 874,799.60-1,312,251.24-275,779.76

Finding the Fourth Proportional to 874,799.60, 1,312,251.24 and 275,779.76

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Solution

The fourth proportional to 874,799.60, 1,312,251.24 and 275,779.76 is: 413,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,799.60 : 1,312,251.24 = 275,779.76 : x
  2. Step 2: Convert to fraction form
    874,799.60/1,312,251.24 = 275,779.76/x
  3. Step 3: Cross multiply
    874,799.60x = 1,312,251.24 × 275,779.76
  4. Step 4: Simplify right side
    874,799.60x = 361,892,332,026.90
  5. Step 5: Solve for x
    x = 361,892,332,026.90/874,799.60
  6. Step 6: Final answer
    x = 413,685.98

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1.5x scale

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.