Home / 890,650.92-1,335,977.75-216,728.25

Finding the Fourth Proportional to 890,650.92, 1,335,977.75 and 216,728.25

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Solution

The fourth proportional to 890,650.92, 1,335,977.75 and 216,728.25 is: 325,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,650.92 : 1,335,977.75 = 216,728.25 : x
  2. Step 2: Convert to fraction form
    890,650.92/1,335,977.75 = 216,728.25/x
  3. Step 3: Cross multiply
    890,650.92x = 1,335,977.75 × 216,728.25
  4. Step 4: Simplify right side
    890,650.92x = 289,544,115,328.34
  5. Step 5: Solve for x
    x = 289,544,115,328.34/890,650.92
  6. Step 6: Final answer
    x = 325,092.70

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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.