Home / 890,650.13-1,335,977.94-216,731.57

Finding the Fourth Proportional to 890,650.13, 1,335,977.94 and 216,731.57

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Solution

The fourth proportional to 890,650.13, 1,335,977.94 and 216,731.57 is: 325,098.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,650.13 : 1,335,977.94 = 216,731.57 : x
  2. Step 2: Convert to fraction form
    890,650.13/1,335,977.94 = 216,731.57/x
  3. Step 3: Cross multiply
    890,650.13x = 1,335,977.94 × 216,731.57
  4. Step 4: Simplify right side
    890,650.13x = 289,548,596,421.57
  5. Step 5: Solve for x
    x = 289,548,596,421.57/890,650.13
  6. Step 6: Final answer
    x = 325,098.02

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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.