Home / 766,357.74-1,057,606.38-426,826.02

Finding the Fourth Proportional to 766,357.74, 1,057,606.38 and 426,826.02

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Solution

The fourth proportional to 766,357.74, 1,057,606.38 and 426,826.02 is: 589,038.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,357.74 : 1,057,606.38 = 426,826.02 : x
  2. Step 2: Convert to fraction form
    766,357.74/1,057,606.38 = 426,826.02/x
  3. Step 3: Cross multiply
    766,357.74x = 1,057,606.38 × 426,826.02
  4. Step 4: Simplify right side
    766,357.74x = 451,413,921,902.01
  5. Step 5: Solve for x
    x = 451,413,921,902.01/766,357.74
  6. Step 6: Final answer
    x = 589,038.12

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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.