Home / 691,806.60-1,038,293.10-337,123.80

Finding the Fourth Proportional to 691,806.60, 1,038,293.10 and 337,123.80

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Solution

The fourth proportional to 691,806.60, 1,038,293.10 and 337,123.80 is: 505,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,806.60 : 1,038,293.10 = 337,123.80 : x
  2. Step 2: Convert to fraction form
    691,806.60/1,038,293.10 = 337,123.80/x
  3. Step 3: Cross multiply
    691,806.60x = 1,038,293.10 × 337,123.80
  4. Step 4: Simplify right side
    691,806.60x = 350,033,315,385.78
  5. Step 5: Solve for x
    x = 350,033,315,385.78/691,806.60
  6. Step 6: Final answer
    x = 505,969.90

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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.