Home / 692,415.20-1,038,817.20-337,440.80

Finding the Fourth Proportional to 692,415.20, 1,038,817.20 and 337,440.80

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Solution

The fourth proportional to 692,415.20, 1,038,817.20 and 337,440.80 is: 506,255.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,415.20 : 1,038,817.20 = 337,440.80 : x
  2. Step 2: Convert to fraction form
    692,415.20/1,038,817.20 = 337,440.80/x
  3. Step 3: Cross multiply
    692,415.20x = 1,038,817.20 × 337,440.80
  4. Step 4: Simplify right side
    692,415.20x = 350,539,307,021.76
  5. Step 5: Solve for x
    x = 350,539,307,021.76/692,415.20
  6. Step 6: Final answer
    x = 506,255.94

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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.