Home / 842,398.96-1,162,510.32-479,856.40

Finding the Fourth Proportional to 842,398.96, 1,162,510.32 and 479,856.40

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Solution

The fourth proportional to 842,398.96, 1,162,510.32 and 479,856.40 is: 662,201.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,398.96 : 1,162,510.32 = 479,856.40 : x
  2. Step 2: Convert to fraction form
    842,398.96/1,162,510.32 = 479,856.40/x
  3. Step 3: Cross multiply
    842,398.96x = 1,162,510.32 × 479,856.40
  4. Step 4: Simplify right side
    842,398.96x = 557,838,017,118.05
  5. Step 5: Solve for x
    x = 557,838,017,118.05/842,398.96
  6. Step 6: Final answer
    x = 662,201.69

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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.