Home / 689,759.28-1,034,337.24-347,992.38

Finding the Fourth Proportional to 689,759.28, 1,034,337.24 and 347,992.38

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Solution

The fourth proportional to 689,759.28, 1,034,337.24 and 347,992.38 is: 521,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,759.28 : 1,034,337.24 = 347,992.38 : x
  2. Step 2: Convert to fraction form
    689,759.28/1,034,337.24 = 347,992.38/x
  3. Step 3: Cross multiply
    689,759.28x = 1,034,337.24 × 347,992.38
  4. Step 4: Simplify right side
    689,759.28x = 359,941,477,870.23
  5. Step 5: Solve for x
    x = 359,941,477,870.23/689,759.28
  6. Step 6: Final answer
    x = 521,836.37

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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.