Home / 677,274.30-1,015,966.78-340,141.57

Finding the Fourth Proportional to 677,274.30, 1,015,966.78 and 340,141.57

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Solution

The fourth proportional to 677,274.30, 1,015,966.78 and 340,141.57 is: 510,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,274.30 : 1,015,966.78 = 340,141.57 : x
  2. Step 2: Convert to fraction form
    677,274.30/1,015,966.78 = 340,141.57/x
  3. Step 3: Cross multiply
    677,274.30x = 1,015,966.78 × 340,141.57
  4. Step 4: Simplify right side
    677,274.30x = 345,572,535,617.05
  5. Step 5: Solve for x
    x = 345,572,535,617.05/677,274.30
  6. Step 6: Final answer
    x = 510,240.14

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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.