Home / 724,226.27-999,443.21-401,957.24

Finding the Fourth Proportional to 724,226.27, 999,443.21 and 401,957.24

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Solution

The fourth proportional to 724,226.27, 999,443.21 and 401,957.24 is: 554,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,226.27 : 999,443.21 = 401,957.24 : x
  2. Step 2: Convert to fraction form
    724,226.27/999,443.21 = 401,957.24/x
  3. Step 3: Cross multiply
    724,226.27x = 999,443.21 × 401,957.24
  4. Step 4: Simplify right side
    724,226.27x = 401,733,427,221.34
  5. Step 5: Solve for x
    x = 401,733,427,221.34/724,226.27
  6. Step 6: Final answer
    x = 554,707.07

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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.