Home / 722,965.35-997,725.84-400,675.50

Finding the Fourth Proportional to 722,965.35, 997,725.84 and 400,675.50

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Solution

The fourth proportional to 722,965.35, 997,725.84 and 400,675.50 is: 552,950.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,965.35 : 997,725.84 = 400,675.50 : x
  2. Step 2: Convert to fraction form
    722,965.35/997,725.84 = 400,675.50/x
  3. Step 3: Cross multiply
    722,965.35x = 997,725.84 × 400,675.50
  4. Step 4: Simplify right side
    722,965.35x = 399,764,299,804.92
  5. Step 5: Solve for x
    x = 399,764,299,804.92/722,965.35
  6. Step 6: Final answer
    x = 552,950.84

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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.