Home / 787,272.75-1,180,815.39-463,254.57

Finding the Fourth Proportional to 787,272.75, 1,180,815.39 and 463,254.57

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Solution

The fourth proportional to 787,272.75, 1,180,815.39 and 463,254.57 is: 694,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,272.75 : 1,180,815.39 = 463,254.57 : x
  2. Step 2: Convert to fraction form
    787,272.75/1,180,815.39 = 463,254.57/x
  3. Step 3: Cross multiply
    787,272.75x = 1,180,815.39 × 463,254.57
  4. Step 4: Simplify right side
    787,272.75x = 547,018,125,743.83
  5. Step 5: Solve for x
    x = 547,018,125,743.83/787,272.75
  6. Step 6: Final answer
    x = 694,826.70

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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.