Home / 787,387.20-1,181,267.76-254,908.32

Finding the Fourth Proportional to 787,387.20, 1,181,267.76 and 254,908.32

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Solution

The fourth proportional to 787,387.20, 1,181,267.76 and 254,908.32 is: 382,423.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,387.20 : 1,181,267.76 = 254,908.32 : x
  2. Step 2: Convert to fraction form
    787,387.20/1,181,267.76 = 254,908.32/x
  3. Step 3: Cross multiply
    787,387.20x = 1,181,267.76 × 254,908.32
  4. Step 4: Simplify right side
    787,387.20x = 301,114,980,171.76
  5. Step 5: Solve for x
    x = 301,114,980,171.76/787,387.20
  6. Step 6: Final answer
    x = 382,423.01

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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.