Home / 838,818.38-1,258,231.52-358,976.00

Finding the Fourth Proportional to 838,818.38, 1,258,231.52 and 358,976.00

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Solution

The fourth proportional to 838,818.38, 1,258,231.52 and 358,976.00 is: 538,465.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,818.38 : 1,258,231.52 = 358,976.00 : x
  2. Step 2: Convert to fraction form
    838,818.38/1,258,231.52 = 358,976.00/x
  3. Step 3: Cross multiply
    838,818.38x = 1,258,231.52 × 358,976.00
  4. Step 4: Simplify right side
    838,818.38x = 451,674,922,166.54
  5. Step 5: Solve for x
    x = 451,674,922,166.54/838,818.38
  6. Step 6: Final answer
    x = 538,465.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.