Home / 842,740.16-1,162,696.56-479,906.74

Finding the Fourth Proportional to 842,740.16, 1,162,696.56 and 479,906.74

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Solution

The fourth proportional to 842,740.16, 1,162,696.56 and 479,906.74 is: 662,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,740.16 : 1,162,696.56 = 479,906.74 : x
  2. Step 2: Convert to fraction form
    842,740.16/1,162,696.56 = 479,906.74/x
  3. Step 3: Cross multiply
    842,740.16x = 1,162,696.56 × 479,906.74
  4. Step 4: Simplify right side
    842,740.16x = 557,985,915,718.81
  5. Step 5: Solve for x
    x = 557,985,915,718.81/842,740.16
  6. Step 6: Final answer
    x = 662,109.08

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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.