Home / 724,124.82-999,277.10-401,832.30

Finding the Fourth Proportional to 724,124.82, 999,277.10 and 401,832.30

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Solution

The fourth proportional to 724,124.82, 999,277.10 and 401,832.30 is: 554,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,124.82 : 999,277.10 = 401,832.30 : x
  2. Step 2: Convert to fraction form
    724,124.82/999,277.10 = 401,832.30/x
  3. Step 3: Cross multiply
    724,124.82x = 999,277.10 × 401,832.30
  4. Step 4: Simplify right side
    724,124.82x = 401,541,815,430.33
  5. Step 5: Solve for x
    x = 401,541,815,430.33/724,124.82
  6. Step 6: Final answer
    x = 554,520.17

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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.