Home / 917,719.76-1,376,614.21-348,994.85

Finding the Fourth Proportional to 917,719.76, 1,376,614.21 and 348,994.85

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Solution

The fourth proportional to 917,719.76, 1,376,614.21 and 348,994.85 is: 523,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,719.76 : 1,376,614.21 = 348,994.85 : x
  2. Step 2: Convert to fraction form
    917,719.76/1,376,614.21 = 348,994.85/x
  3. Step 3: Cross multiply
    917,719.76x = 1,376,614.21 × 348,994.85
  4. Step 4: Simplify right side
    917,719.76x = 480,431,275,222.36
  5. Step 5: Solve for x
    x = 480,431,275,222.36/917,719.76
  6. Step 6: Final answer
    x = 523,505.43

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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.