Home / 766,362.52-1,057,569.78-426,833.20

Finding the Fourth Proportional to 766,362.52, 1,057,569.78 and 426,833.20

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Solution

The fourth proportional to 766,362.52, 1,057,569.78 and 426,833.20 is: 589,023.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,362.52 : 1,057,569.78 = 426,833.20 : x
  2. Step 2: Convert to fraction form
    766,362.52/1,057,569.78 = 426,833.20/x
  3. Step 3: Cross multiply
    766,362.52x = 1,057,569.78 × 426,833.20
  4. Step 4: Simplify right side
    766,362.52x = 451,405,893,420.70
  5. Step 5: Solve for x
    x = 451,405,893,420.70/766,362.52
  6. Step 6: Final answer
    x = 589,023.97

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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.