Home / 712,826.20-1,069,240.68-173,080.21

Finding the Fourth Proportional to 712,826.20, 1,069,240.68 and 173,080.21

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Solution

The fourth proportional to 712,826.20, 1,069,240.68 and 173,080.21 is: 259,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,826.20 : 1,069,240.68 = 173,080.21 : x
  2. Step 2: Convert to fraction form
    712,826.20/1,069,240.68 = 173,080.21/x
  3. Step 3: Cross multiply
    712,826.20x = 1,069,240.68 × 173,080.21
  4. Step 4: Simplify right side
    712,826.20x = 185,064,401,434.94
  5. Step 5: Solve for x
    x = 185,064,401,434.94/712,826.20
  6. Step 6: Final answer
    x = 259,620.65

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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.