Home / 770,688.60-1,156,032.90-739,195.80

Finding the Fourth Proportional to 770,688.60, 1,156,032.90 and 739,195.80

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Solution

The fourth proportional to 770,688.60, 1,156,032.90 and 739,195.80 is: 1,108,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,688.60 : 1,156,032.90 = 739,195.80 : x
  2. Step 2: Convert to fraction form
    770,688.60/1,156,032.90 = 739,195.80/x
  3. Step 3: Cross multiply
    770,688.60x = 1,156,032.90 × 739,195.80
  4. Step 4: Simplify right side
    770,688.60x = 854,534,664,341.82
  5. Step 5: Solve for x
    x = 854,534,664,341.82/770,688.60
  6. Step 6: Final answer
    x = 1,108,793.70

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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.