Home / 890,360.38-1,335,530.71-216,442.33

Finding the Fourth Proportional to 890,360.38, 1,335,530.71 and 216,442.33

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Solution

The fourth proportional to 890,360.38, 1,335,530.71 and 216,442.33 is: 324,661.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,360.38 : 1,335,530.71 = 216,442.33 : x
  2. Step 2: Convert to fraction form
    890,360.38/1,335,530.71 = 216,442.33/x
  3. Step 3: Cross multiply
    890,360.38x = 1,335,530.71 × 216,442.33
  4. Step 4: Simplify right side
    890,360.38x = 289,065,370,899.09
  5. Step 5: Solve for x
    x = 289,065,370,899.09/890,360.38
  6. Step 6: Final answer
    x = 324,661.09

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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.