Home / 890,624.28-1,335,937.56-216,705.69

Finding the Fourth Proportional to 890,624.28, 1,335,937.56 and 216,705.69

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Solution

The fourth proportional to 890,624.28, 1,335,937.56 and 216,705.69 is: 325,058.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,624.28 : 1,335,937.56 = 216,705.69 : x
  2. Step 2: Convert to fraction form
    890,624.28/1,335,937.56 = 216,705.69/x
  3. Step 3: Cross multiply
    890,624.28x = 1,335,937.56 × 216,705.69
  4. Step 4: Simplify right side
    890,624.28x = 289,505,270,736.72
  5. Step 5: Solve for x
    x = 289,505,270,736.72/890,624.28
  6. Step 6: Final answer
    x = 325,058.81

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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.