Home / 890,373.30-1,335,540.48-216,458.16

Finding the Fourth Proportional to 890,373.30, 1,335,540.48 and 216,458.16

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Solution

The fourth proportional to 890,373.30, 1,335,540.48 and 216,458.16 is: 324,682.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,373.30 : 1,335,540.48 = 216,458.16 : x
  2. Step 2: Convert to fraction form
    890,373.30/1,335,540.48 = 216,458.16/x
  3. Step 3: Cross multiply
    890,373.30x = 1,335,540.48 × 216,458.16
  4. Step 4: Simplify right side
    890,373.30x = 289,088,634,906.32
  5. Step 5: Solve for x
    x = 289,088,634,906.32/890,373.30
  6. Step 6: Final answer
    x = 324,682.51

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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.