Home / 890,651.63-1,335,980.19-216,733.07

Finding the Fourth Proportional to 890,651.63, 1,335,980.19 and 216,733.07

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Solution

The fourth proportional to 890,651.63, 1,335,980.19 and 216,733.07 is: 325,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,651.63 : 1,335,980.19 = 216,733.07 : x
  2. Step 2: Convert to fraction form
    890,651.63/1,335,980.19 = 216,733.07/x
  3. Step 3: Cross multiply
    890,651.63x = 1,335,980.19 × 216,733.07
  4. Step 4: Simplify right side
    890,651.63x = 289,551,088,037.88
  5. Step 5: Solve for x
    x = 289,551,088,037.88/890,651.63
  6. Step 6: Final answer
    x = 325,100.27

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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.