Home / 816,521.32-1,224,362.40-366,856.84

Finding the Fourth Proportional to 816,521.32, 1,224,362.40 and 366,856.84

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Solution

The fourth proportional to 816,521.32, 1,224,362.40 and 366,856.84 is: 550,096.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,521.32 : 1,224,362.40 = 366,856.84 : x
  2. Step 2: Convert to fraction form
    816,521.32/1,224,362.40 = 366,856.84/x
  3. Step 3: Cross multiply
    816,521.32x = 1,224,362.40 × 366,856.84
  4. Step 4: Simplify right side
    816,521.32x = 449,165,721,078.82
  5. Step 5: Solve for x
    x = 449,165,721,078.82/816,521.32
  6. Step 6: Final answer
    x = 550,096.75

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1.5x scale

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.