Home / 766,335.62-1,057,576.02-426,803.96

Finding the Fourth Proportional to 766,335.62, 1,057,576.02 and 426,803.96

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Solution

The fourth proportional to 766,335.62, 1,057,576.02 and 426,803.96 is: 589,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,335.62 : 1,057,576.02 = 426,803.96 : x
  2. Step 2: Convert to fraction form
    766,335.62/1,057,576.02 = 426,803.96/x
  3. Step 3: Cross multiply
    766,335.62x = 1,057,576.02 × 426,803.96
  4. Step 4: Simplify right side
    766,335.62x = 451,377,633,337.04
  5. Step 5: Solve for x
    x = 451,377,633,337.04/766,335.62
  6. Step 6: Final answer
    x = 589,007.77

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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.