Home / 770,522.90-1,155,496.98-264,940.88

Finding the Fourth Proportional to 770,522.90, 1,155,496.98 and 264,940.88

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Solution

The fourth proportional to 770,522.90, 1,155,496.98 and 264,940.88 is: 397,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,522.90 : 1,155,496.98 = 264,940.88 : x
  2. Step 2: Convert to fraction form
    770,522.90/1,155,496.98 = 264,940.88/x
  3. Step 3: Cross multiply
    770,522.90x = 1,155,496.98 × 264,940.88
  4. Step 4: Simplify right side
    770,522.90x = 306,138,386,718.54
  5. Step 5: Solve for x
    x = 306,138,386,718.54/770,522.90
  6. Step 6: Final answer
    x = 397,312.51

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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.