Home / 770,693.10-1,156,039.65-739,200.30

Finding the Fourth Proportional to 770,693.10, 1,156,039.65 and 739,200.30

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Solution

The fourth proportional to 770,693.10, 1,156,039.65 and 739,200.30 is: 1,108,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,693.10 : 1,156,039.65 = 739,200.30 : x
  2. Step 2: Convert to fraction form
    770,693.10/1,156,039.65 = 739,200.30/x
  3. Step 3: Cross multiply
    770,693.10x = 1,156,039.65 × 739,200.30
  4. Step 4: Simplify right side
    770,693.10x = 854,544,856,091.90
  5. Step 5: Solve for x
    x = 854,544,856,091.90/770,693.10
  6. Step 6: Final answer
    x = 1,108,800.45

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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.