Home / 787,566.97-1,181,981.04-408,596.32

Finding the Fourth Proportional to 787,566.97, 1,181,981.04 and 408,596.32

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Solution

The fourth proportional to 787,566.97, 1,181,981.04 and 408,596.32 is: 613,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,566.97 : 1,181,981.04 = 408,596.32 : x
  2. Step 2: Convert to fraction form
    787,566.97/1,181,981.04 = 408,596.32/x
  3. Step 3: Cross multiply
    787,566.97x = 1,181,981.04 × 408,596.32
  4. Step 4: Simplify right side
    787,566.97x = 482,953,095,300.89
  5. Step 5: Solve for x
    x = 482,953,095,300.89/787,566.97
  6. Step 6: Final answer
    x = 613,221.63

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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.