Home / 770,479.96-1,155,432.56-264,897.80

Finding the Fourth Proportional to 770,479.96, 1,155,432.56 and 264,897.80

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Solution

The fourth proportional to 770,479.96, 1,155,432.56 and 264,897.80 is: 397,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,479.96 : 1,155,432.56 = 264,897.80 : x
  2. Step 2: Convert to fraction form
    770,479.96/1,155,432.56 = 264,897.80/x
  3. Step 3: Cross multiply
    770,479.96x = 1,155,432.56 × 264,897.80
  4. Step 4: Simplify right side
    770,479.96x = 306,071,543,192.37
  5. Step 5: Solve for x
    x = 306,071,543,192.37/770,479.96
  6. Step 6: Final answer
    x = 397,247.90

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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.