Home / 787,664.80-1,181,612.40-255,095.20

Finding the Fourth Proportional to 787,664.80, 1,181,612.40 and 255,095.20

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Solution

The fourth proportional to 787,664.80, 1,181,612.40 and 255,095.20 is: 382,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,664.80 : 1,181,612.40 = 255,095.20 : x
  2. Step 2: Convert to fraction form
    787,664.80/1,181,612.40 = 255,095.20/x
  3. Step 3: Cross multiply
    787,664.80x = 1,181,612.40 × 255,095.20
  4. Step 4: Simplify right side
    787,664.80x = 301,423,651,500.48
  5. Step 5: Solve for x
    x = 301,423,651,500.48/787,664.80
  6. Step 6: Final answer
    x = 382,680.11

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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.