Home / 633,829.10-874,687.22-343,440.60

Finding the Fourth Proportional to 633,829.10, 874,687.22 and 343,440.60

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Solution

The fourth proportional to 633,829.10, 874,687.22 and 343,440.60 is: 473,949.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,829.10 : 874,687.22 = 343,440.60 : x
  2. Step 2: Convert to fraction form
    633,829.10/874,687.22 = 343,440.60/x
  3. Step 3: Cross multiply
    633,829.10x = 874,687.22 × 343,440.60
  4. Step 4: Simplify right side
    633,829.10x = 300,403,103,649.13
  5. Step 5: Solve for x
    x = 300,403,103,649.13/633,829.10
  6. Step 6: Final answer
    x = 473,949.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.