Home / 693,018.76-1,039,942.86-299,034.76

Finding the Fourth Proportional to 693,018.76, 1,039,942.86 and 299,034.76

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Solution

The fourth proportional to 693,018.76, 1,039,942.86 and 299,034.76 is: 448,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,018.76 : 1,039,942.86 = 299,034.76 : x
  2. Step 2: Convert to fraction form
    693,018.76/1,039,942.86 = 299,034.76/x
  3. Step 3: Cross multiply
    693,018.76x = 1,039,942.86 × 299,034.76
  4. Step 4: Simplify right side
    693,018.76x = 310,979,063,553.81
  5. Step 5: Solve for x
    x = 310,979,063,553.81/693,018.76
  6. Step 6: Final answer
    x = 448,731.09

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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.