Home / 887,529.35-1,329,939.21-526,990.20

Finding the Fourth Proportional to 887,529.35, 1,329,939.21 and 526,990.20

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Solution

The fourth proportional to 887,529.35, 1,329,939.21 and 526,990.20 is: 789,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,529.35 : 1,329,939.21 = 526,990.20 : x
  2. Step 2: Convert to fraction form
    887,529.35/1,329,939.21 = 526,990.20/x
  3. Step 3: Cross multiply
    887,529.35x = 1,329,939.21 × 526,990.20
  4. Step 4: Simplify right side
    887,529.35x = 700,864,930,265.74
  5. Step 5: Solve for x
    x = 700,864,930,265.74/887,529.35
  6. Step 6: Final answer
    x = 789,680.85

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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.