Home / 770,156.80-1,155,312.40-264,651.20

Finding the Fourth Proportional to 770,156.80, 1,155,312.40 and 264,651.20

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Solution

The fourth proportional to 770,156.80, 1,155,312.40 and 264,651.20 is: 397,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,156.80 : 1,155,312.40 = 264,651.20 : x
  2. Step 2: Convert to fraction form
    770,156.80/1,155,312.40 = 264,651.20/x
  3. Step 3: Cross multiply
    770,156.80x = 1,155,312.40 × 264,651.20
  4. Step 4: Simplify right side
    770,156.80x = 305,754,813,034.88
  5. Step 5: Solve for x
    x = 305,754,813,034.88/770,156.80
  6. Step 6: Final answer
    x = 397,003.33

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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.