Home / 787,834.60-1,183,064.10-433,103.20

Finding the Fourth Proportional to 787,834.60, 1,183,064.10 and 433,103.20

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Solution

The fourth proportional to 787,834.60, 1,183,064.10 and 433,103.20 is: 650,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,834.60 : 1,183,064.10 = 433,103.20 : x
  2. Step 2: Convert to fraction form
    787,834.60/1,183,064.10 = 433,103.20/x
  3. Step 3: Cross multiply
    787,834.60x = 1,183,064.10 × 433,103.20
  4. Step 4: Simplify right side
    787,834.60x = 512,388,847,515.12
  5. Step 5: Solve for x
    x = 512,388,847,515.12/787,834.60
  6. Step 6: Final answer
    x = 650,376.17

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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.