Home / 787,279.55-1,181,106.72-254,800.58

Finding the Fourth Proportional to 787,279.55, 1,181,106.72 and 254,800.58

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Solution

The fourth proportional to 787,279.55, 1,181,106.72 and 254,800.58 is: 382,261.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,279.55 : 1,181,106.72 = 254,800.58 : x
  2. Step 2: Convert to fraction form
    787,279.55/1,181,106.72 = 254,800.58/x
  3. Step 3: Cross multiply
    787,279.55x = 1,181,106.72 × 254,800.58
  4. Step 4: Simplify right side
    787,279.55x = 300,946,671,392.36
  5. Step 5: Solve for x
    x = 300,946,671,392.36/787,279.55
  6. Step 6: Final answer
    x = 382,261.51

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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.