Home / 770,487.46-1,155,443.82-264,905.29

Finding the Fourth Proportional to 770,487.46, 1,155,443.82 and 264,905.29

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Solution

The fourth proportional to 770,487.46, 1,155,443.82 and 264,905.29 is: 397,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,487.46 : 1,155,443.82 = 264,905.29 : x
  2. Step 2: Convert to fraction form
    770,487.46/1,155,443.82 = 264,905.29/x
  3. Step 3: Cross multiply
    770,487.46x = 1,155,443.82 × 264,905.29
  4. Step 4: Simplify right side
    770,487.46x = 306,083,180,215.81
  5. Step 5: Solve for x
    x = 306,083,180,215.81/770,487.46
  6. Step 6: Final answer
    x = 397,259.13

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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.