Home / 890,969.22-1,229,536.87-483,084.61

Finding the Fourth Proportional to 890,969.22, 1,229,536.87 and 483,084.61

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Solution

The fourth proportional to 890,969.22, 1,229,536.87 and 483,084.61 is: 666,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,969.22 : 1,229,536.87 = 483,084.61 : x
  2. Step 2: Convert to fraction form
    890,969.22/1,229,536.87 = 483,084.61/x
  3. Step 3: Cross multiply
    890,969.22x = 1,229,536.87 × 483,084.61
  4. Step 4: Simplify right side
    890,969.22x = 593,970,335,043.02
  5. Step 5: Solve for x
    x = 593,970,335,043.02/890,969.22
  6. Step 6: Final answer
    x = 666,656.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.