Home / 787,147.65-1,180,674.39-463,117.48

Finding the Fourth Proportional to 787,147.65, 1,180,674.39 and 463,117.48

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Solution

The fourth proportional to 787,147.65, 1,180,674.39 and 463,117.48 is: 694,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,147.65 : 1,180,674.39 = 463,117.48 : x
  2. Step 2: Convert to fraction form
    787,147.65/1,180,674.39 = 463,117.48/x
  3. Step 3: Cross multiply
    787,147.65x = 1,180,674.39 × 463,117.48
  4. Step 4: Simplify right side
    787,147.65x = 546,790,948,197.34
  5. Step 5: Solve for x
    x = 546,790,948,197.34/787,147.65
  6. Step 6: Final answer
    x = 694,648.52

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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.