Home / 890,947.62-1,336,426.29-291,933.18

Finding the Fourth Proportional to 890,947.62, 1,336,426.29 and 291,933.18

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Solution

The fourth proportional to 890,947.62, 1,336,426.29 and 291,933.18 is: 437,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,947.62 : 1,336,426.29 = 291,933.18 : x
  2. Step 2: Convert to fraction form
    890,947.62/1,336,426.29 = 291,933.18/x
  3. Step 3: Cross multiply
    890,947.62x = 1,336,426.29 × 291,933.18
  4. Step 4: Simplify right side
    890,947.62x = 390,147,176,675.30
  5. Step 5: Solve for x
    x = 390,147,176,675.30/890,947.62
  6. Step 6: Final answer
    x = 437,901.36

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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.