Home / 3,134,719.40-4,702,079.10-770,815.40

Finding the Fourth Proportional to 3,134,719.40, 4,702,079.10 and 770,815.40

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Solution

The fourth proportional to 3,134,719.40, 4,702,079.10 and 770,815.40 is: 1,156,223.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,719.40 : 4,702,079.10 = 770,815.40 : x
  2. Step 2: Convert to fraction form
    3,134,719.40/4,702,079.10 = 770,815.40/x
  3. Step 3: Cross multiply
    3,134,719.40x = 4,702,079.10 × 770,815.40
  4. Step 4: Simplify right side
    3,134,719.40x = 3,624,434,982,298.14
  5. Step 5: Solve for x
    x = 3,624,434,982,298.14/3,134,719.40
  6. Step 6: Final answer
    x = 1,156,223.10

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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.