Home / 787,537.40-1,182,180.90-488,355.80

Finding the Fourth Proportional to 787,537.40, 1,182,180.90 and 488,355.80

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Solution

The fourth proportional to 787,537.40, 1,182,180.90 and 488,355.80 is: 733,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,537.40 : 1,182,180.90 = 488,355.80 : x
  2. Step 2: Convert to fraction form
    787,537.40/1,182,180.90 = 488,355.80/x
  3. Step 3: Cross multiply
    787,537.40x = 1,182,180.90 × 488,355.80
  4. Step 4: Simplify right side
    787,537.40x = 577,324,899,164.22
  5. Step 5: Solve for x
    x = 577,324,899,164.22/787,537.40
  6. Step 6: Final answer
    x = 733,076.17

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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.