Home / 770,484.95-1,155,440.07-264,902.79

Finding the Fourth Proportional to 770,484.95, 1,155,440.07 and 264,902.79

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Solution

The fourth proportional to 770,484.95, 1,155,440.07 and 264,902.79 is: 397,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,484.95 : 1,155,440.07 = 264,902.79 : x
  2. Step 2: Convert to fraction form
    770,484.95/1,155,440.07 = 264,902.79/x
  3. Step 3: Cross multiply
    770,484.95x = 1,155,440.07 × 264,902.79
  4. Step 4: Simplify right side
    770,484.95x = 306,079,298,220.80
  5. Step 5: Solve for x
    x = 306,079,298,220.80/770,484.95
  6. Step 6: Final answer
    x = 397,255.39

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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.