Home / 692,118.20-1,038,371.70-337,143.80

Finding the Fourth Proportional to 692,118.20, 1,038,371.70 and 337,143.80

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Solution

The fourth proportional to 692,118.20, 1,038,371.70 and 337,143.80 is: 505,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,118.20 : 1,038,371.70 = 337,143.80 : x
  2. Step 2: Convert to fraction form
    692,118.20/1,038,371.70 = 337,143.80/x
  3. Step 3: Cross multiply
    692,118.20x = 1,038,371.70 × 337,143.80
  4. Step 4: Simplify right side
    692,118.20x = 350,080,580,750.46
  5. Step 5: Solve for x
    x = 350,080,580,750.46/692,118.20
  6. Step 6: Final answer
    x = 505,810.40

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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.