Home / 770,518.90-1,155,490.98-264,936.88

Finding the Fourth Proportional to 770,518.90, 1,155,490.98 and 264,936.88

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Solution

The fourth proportional to 770,518.90, 1,155,490.98 and 264,936.88 is: 397,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,518.90 : 1,155,490.98 = 264,936.88 : x
  2. Step 2: Convert to fraction form
    770,518.90/1,155,490.98 = 264,936.88/x
  3. Step 3: Cross multiply
    770,518.90x = 1,155,490.98 × 264,936.88
  4. Step 4: Simplify right side
    770,518.90x = 306,132,175,109.34
  5. Step 5: Solve for x
    x = 306,132,175,109.34/770,518.90
  6. Step 6: Final answer
    x = 397,306.51

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1.5x scale

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.