Home / 691,881.90-1,037,246.85-292,829.10

Finding the Fourth Proportional to 691,881.90, 1,037,246.85 and 292,829.10

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Solution

The fourth proportional to 691,881.90, 1,037,246.85 and 292,829.10 is: 438,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,881.90 : 1,037,246.85 = 292,829.10 : x
  2. Step 2: Convert to fraction form
    691,881.90/1,037,246.85 = 292,829.10/x
  3. Step 3: Cross multiply
    691,881.90x = 1,037,246.85 × 292,829.10
  4. Step 4: Simplify right side
    691,881.90x = 303,736,061,563.34
  5. Step 5: Solve for x
    x = 303,736,061,563.34/691,881.90
  6. Step 6: Final answer
    x = 438,999.87

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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.