Home / 842,028.32-1,162,015.80-460,078.76

Finding the Fourth Proportional to 842,028.32, 1,162,015.80 and 460,078.76

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Solution

The fourth proportional to 842,028.32, 1,162,015.80 and 460,078.76 is: 634,917.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,028.32 : 1,162,015.80 = 460,078.76 : x
  2. Step 2: Convert to fraction form
    842,028.32/1,162,015.80 = 460,078.76/x
  3. Step 3: Cross multiply
    842,028.32x = 1,162,015.80 × 460,078.76
  4. Step 4: Simplify right side
    842,028.32x = 534,618,788,364.41
  5. Step 5: Solve for x
    x = 534,618,788,364.41/842,028.32
  6. Step 6: Final answer
    x = 634,917.82

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Double scale
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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.