Home / 690,492.55-1,035,074.55-353,691.82

Finding the Fourth Proportional to 690,492.55, 1,035,074.55 and 353,691.82

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Solution

The fourth proportional to 690,492.55, 1,035,074.55 and 353,691.82 is: 530,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,492.55 : 1,035,074.55 = 353,691.82 : x
  2. Step 2: Convert to fraction form
    690,492.55/1,035,074.55 = 353,691.82/x
  3. Step 3: Cross multiply
    690,492.55x = 1,035,074.55 × 353,691.82
  4. Step 4: Simplify right side
    690,492.55x = 366,097,396,233.56
  5. Step 5: Solve for x
    x = 366,097,396,233.56/690,492.55
  6. Step 6: Final answer
    x = 530,197.46

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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.