Home / 890,731.29-1,336,077.46-216,816.15

Finding the Fourth Proportional to 890,731.29, 1,336,077.46 and 216,816.15

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Solution

The fourth proportional to 890,731.29, 1,336,077.46 and 216,816.15 is: 325,219.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,731.29 : 1,336,077.46 = 216,816.15 : x
  2. Step 2: Convert to fraction form
    890,731.29/1,336,077.46 = 216,816.15/x
  3. Step 3: Cross multiply
    890,731.29x = 1,336,077.46 × 216,816.15
  4. Step 4: Simplify right side
    890,731.29x = 289,683,170,978.98
  5. Step 5: Solve for x
    x = 289,683,170,978.98/890,731.29
  6. Step 6: Final answer
    x = 325,219.48

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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.