Home / 842,746.45-1,162,705.18-479,913.03

Finding the Fourth Proportional to 842,746.45, 1,162,705.18 and 479,913.03

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Solution

The fourth proportional to 842,746.45, 1,162,705.18 and 479,913.03 is: 662,117.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,746.45 : 1,162,705.18 = 479,913.03 : x
  2. Step 2: Convert to fraction form
    842,746.45/1,162,705.18 = 479,913.03/x
  3. Step 3: Cross multiply
    842,746.45x = 1,162,705.18 × 479,913.03
  4. Step 4: Simplify right side
    842,746.45x = 557,997,365,930.50
  5. Step 5: Solve for x
    x = 557,997,365,930.50/842,746.45
  6. Step 6: Final answer
    x = 662,117.73

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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.