Home / 689,500.20-1,032,330.60-351,811.20

Finding the Fourth Proportional to 689,500.20, 1,032,330.60 and 351,811.20

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Solution

The fourth proportional to 689,500.20, 1,032,330.60 and 351,811.20 is: 526,737.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,500.20 : 1,032,330.60 = 351,811.20 : x
  2. Step 2: Convert to fraction form
    689,500.20/1,032,330.60 = 351,811.20/x
  3. Step 3: Cross multiply
    689,500.20x = 1,032,330.60 × 351,811.20
  4. Step 4: Simplify right side
    689,500.20x = 363,185,467,182.72
  5. Step 5: Solve for x
    x = 363,185,467,182.72/689,500.20
  6. Step 6: Final answer
    x = 526,737.29

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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.