Home / 540,810.38-746,418.15-347,459.79

Finding the Fourth Proportional to 540,810.38, 746,418.15 and 347,459.79

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Solution

The fourth proportional to 540,810.38, 746,418.15 and 347,459.79 is: 479,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,810.38 : 746,418.15 = 347,459.79 : x
  2. Step 2: Convert to fraction form
    540,810.38/746,418.15 = 347,459.79/x
  3. Step 3: Cross multiply
    540,810.38x = 746,418.15 × 347,459.79
  4. Step 4: Simplify right side
    540,810.38x = 259,350,293,651.19
  5. Step 5: Solve for x
    x = 259,350,293,651.19/540,810.38
  6. Step 6: Final answer
    x = 479,558.65

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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.