Home / 699,238.88-1,048,372.32-357,017.12

Finding the Fourth Proportional to 699,238.88, 1,048,372.32 and 357,017.12

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Solution

The fourth proportional to 699,238.88, 1,048,372.32 and 357,017.12 is: 535,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,238.88 : 1,048,372.32 = 357,017.12 : x
  2. Step 2: Convert to fraction form
    699,238.88/1,048,372.32 = 357,017.12/x
  3. Step 3: Cross multiply
    699,238.88x = 1,048,372.32 × 357,017.12
  4. Step 4: Simplify right side
    699,238.88x = 374,286,866,374.12
  5. Step 5: Solve for x
    x = 374,286,866,374.12/699,238.88
  6. Step 6: Final answer
    x = 535,277.54

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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.