Home / 708,029.78-1,061,579.27-343,194.80

Finding the Fourth Proportional to 708,029.78, 1,061,579.27 and 343,194.80

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Solution

The fourth proportional to 708,029.78, 1,061,579.27 and 343,194.80 is: 514,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,029.78 : 1,061,579.27 = 343,194.80 : x
  2. Step 2: Convert to fraction form
    708,029.78/1,061,579.27 = 343,194.80/x
  3. Step 3: Cross multiply
    708,029.78x = 1,061,579.27 × 343,194.80
  4. Step 4: Simplify right side
    708,029.78x = 364,328,480,801.89
  5. Step 5: Solve for x
    x = 364,328,480,801.89/708,029.78
  6. Step 6: Final answer
    x = 514,566.61

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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.