Home / 891,090.27-1,336,623.21-217,176.75

Finding the Fourth Proportional to 891,090.27, 1,336,623.21 and 217,176.75

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Solution

The fourth proportional to 891,090.27, 1,336,623.21 and 217,176.75 is: 325,762.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,090.27 : 1,336,623.21 = 217,176.75 : x
  2. Step 2: Convert to fraction form
    891,090.27/1,336,623.21 = 217,176.75/x
  3. Step 3: Cross multiply
    891,090.27x = 1,336,623.21 × 217,176.75
  4. Step 4: Simplify right side
    891,090.27x = 290,283,484,722.37
  5. Step 5: Solve for x
    x = 290,283,484,722.37/891,090.27
  6. Step 6: Final answer
    x = 325,762.15

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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.