Home / 787,145.65-1,180,671.39-463,115.48

Finding the Fourth Proportional to 787,145.65, 1,180,671.39 and 463,115.48

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Solution

The fourth proportional to 787,145.65, 1,180,671.39 and 463,115.48 is: 694,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,145.65 : 1,180,671.39 = 463,115.48 : x
  2. Step 2: Convert to fraction form
    787,145.65/1,180,671.39 = 463,115.48/x
  3. Step 3: Cross multiply
    787,145.65x = 1,180,671.39 × 463,115.48
  4. Step 4: Simplify right side
    787,145.65x = 546,787,191,598.76
  5. Step 5: Solve for x
    x = 546,787,191,598.76/787,145.65
  6. Step 6: Final answer
    x = 694,645.51

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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.