Home / 724,232.88-999,394.82-401,943.20

Finding the Fourth Proportional to 724,232.88, 999,394.82 and 401,943.20

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Solution

The fourth proportional to 724,232.88, 999,394.82 and 401,943.20 is: 554,655.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,232.88 : 999,394.82 = 401,943.20 : x
  2. Step 2: Convert to fraction form
    724,232.88/999,394.82 = 401,943.20/x
  3. Step 3: Cross multiply
    724,232.88x = 999,394.82 × 401,943.20
  4. Step 4: Simplify right side
    724,232.88x = 401,699,952,014.22
  5. Step 5: Solve for x
    x = 401,699,952,014.22/724,232.88
  6. Step 6: Final answer
    x = 554,655.78

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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.