Home / 691,810.40-1,037,139.60-292,757.60

Finding the Fourth Proportional to 691,810.40, 1,037,139.60 and 292,757.60

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Solution

The fourth proportional to 691,810.40, 1,037,139.60 and 292,757.60 is: 438,892.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,810.40 : 1,037,139.60 = 292,757.60 : x
  2. Step 2: Convert to fraction form
    691,810.40/1,037,139.60 = 292,757.60/x
  3. Step 3: Cross multiply
    691,810.40x = 1,037,139.60 × 292,757.60
  4. Step 4: Simplify right side
    691,810.40x = 303,630,500,160.96
  5. Step 5: Solve for x
    x = 303,630,500,160.96/691,810.40
  6. Step 6: Final answer
    x = 438,892.65

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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.