Home / 723,723.24-998,741.70-401,410.92

Finding the Fourth Proportional to 723,723.24, 998,741.70 and 401,410.92

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Solution

The fourth proportional to 723,723.24, 998,741.70 and 401,410.92 is: 553,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,723.24 : 998,741.70 = 401,410.92 : x
  2. Step 2: Convert to fraction form
    723,723.24/998,741.70 = 401,410.92/x
  3. Step 3: Cross multiply
    723,723.24x = 998,741.70 × 401,410.92
  4. Step 4: Simplify right side
    723,723.24x = 400,905,824,639.36
  5. Step 5: Solve for x
    x = 400,905,824,639.36/723,723.24
  6. Step 6: Final answer
    x = 553,949.08

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Double scale
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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.