Home / 770,121.32-1,155,259.13-264,615.70

Finding the Fourth Proportional to 770,121.32, 1,155,259.13 and 264,615.70

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Solution

The fourth proportional to 770,121.32, 1,155,259.13 and 264,615.70 is: 396,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,121.32 : 1,155,259.13 = 264,615.70 : x
  2. Step 2: Convert to fraction form
    770,121.32/1,155,259.13 = 264,615.70/x
  3. Step 3: Cross multiply
    770,121.32x = 1,155,259.13 × 264,615.70
  4. Step 4: Simplify right side
    770,121.32x = 305,699,703,366.34
  5. Step 5: Solve for x
    x = 305,699,703,366.34/770,121.32
  6. Step 6: Final answer
    x = 396,950.06

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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.