Home / 787,536.52-1,181,420.70-254,880.52

Finding the Fourth Proportional to 787,536.52, 1,181,420.70 and 254,880.52

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Solution

The fourth proportional to 787,536.52, 1,181,420.70 and 254,880.52 is: 382,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,536.52 : 1,181,420.70 = 254,880.52 : x
  2. Step 2: Convert to fraction form
    787,536.52/1,181,420.70 = 254,880.52/x
  3. Step 3: Cross multiply
    787,536.52x = 1,181,420.70 × 254,880.52
  4. Step 4: Simplify right side
    787,536.52x = 301,121,122,354.76
  5. Step 5: Solve for x
    x = 301,121,122,354.76/787,536.52
  6. Step 6: Final answer
    x = 382,358.30

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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.