Home / 769,225.20-1,154,070.84-545,019.36

Finding the Fourth Proportional to 769,225.20, 1,154,070.84 and 545,019.36

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Solution

The fourth proportional to 769,225.20, 1,154,070.84 and 545,019.36 is: 817,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,225.20 : 1,154,070.84 = 545,019.36 : x
  2. Step 2: Convert to fraction form
    769,225.20/1,154,070.84 = 545,019.36/x
  3. Step 3: Cross multiply
    769,225.20x = 1,154,070.84 × 545,019.36
  4. Step 4: Simplify right side
    769,225.20x = 628,990,950,611.46
  5. Step 5: Solve for x
    x = 628,990,950,611.46/769,225.20
  6. Step 6: Final answer
    x = 817,694.16

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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.