Home / 684,710.08-944,882.24-378,778.56

Finding the Fourth Proportional to 684,710.08, 944,882.24 and 378,778.56

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Solution

The fourth proportional to 684,710.08, 944,882.24 and 378,778.56 is: 522,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,710.08 : 944,882.24 = 378,778.56 : x
  2. Step 2: Convert to fraction form
    684,710.08/944,882.24 = 378,778.56/x
  3. Step 3: Cross multiply
    684,710.08x = 944,882.24 × 378,778.56
  4. Step 4: Simplify right side
    684,710.08x = 357,901,134,236.77
  5. Step 5: Solve for x
    x = 357,901,134,236.77/684,710.08
  6. Step 6: Final answer
    x = 522,704.64

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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.