Home / 692,156.20-1,038,428.70-337,181.80

Finding the Fourth Proportional to 692,156.20, 1,038,428.70 and 337,181.80

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Solution

The fourth proportional to 692,156.20, 1,038,428.70 and 337,181.80 is: 505,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,156.20 : 1,038,428.70 = 337,181.80 : x
  2. Step 2: Convert to fraction form
    692,156.20/1,038,428.70 = 337,181.80/x
  3. Step 3: Cross multiply
    692,156.20x = 1,038,428.70 × 337,181.80
  4. Step 4: Simplify right side
    692,156.20x = 350,139,258,237.66
  5. Step 5: Solve for x
    x = 350,139,258,237.66/692,156.20
  6. Step 6: Final answer
    x = 505,867.40

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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.