Home / 703,144.18-1,054,558.35-323,701.30

Finding the Fourth Proportional to 703,144.18, 1,054,558.35 and 323,701.30

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Solution

The fourth proportional to 703,144.18, 1,054,558.35 and 323,701.30 is: 485,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,144.18 : 1,054,558.35 = 323,701.30 : x
  2. Step 2: Convert to fraction form
    703,144.18/1,054,558.35 = 323,701.30/x
  3. Step 3: Cross multiply
    703,144.18x = 1,054,558.35 × 323,701.30
  4. Step 4: Simplify right side
    703,144.18x = 341,361,908,820.86
  5. Step 5: Solve for x
    x = 341,361,908,820.86/703,144.18
  6. Step 6: Final answer
    x = 485,479.25

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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.