Home / 842,746.95-1,162,705.88-479,913.53

Finding the Fourth Proportional to 842,746.95, 1,162,705.88 and 479,913.53

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Solution

The fourth proportional to 842,746.95, 1,162,705.88 and 479,913.53 is: 662,118.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,746.95 : 1,162,705.88 = 479,913.53 : x
  2. Step 2: Convert to fraction form
    842,746.95/1,162,705.88 = 479,913.53/x
  3. Step 3: Cross multiply
    842,746.95x = 1,162,705.88 × 479,913.53
  4. Step 4: Simplify right side
    842,746.95x = 557,998,275,009.46
  5. Step 5: Solve for x
    x = 557,998,275,009.46/842,746.95
  6. Step 6: Final answer
    x = 662,118.42

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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.