Home / 723,485.24-998,460.78-401,226.20

Finding the Fourth Proportional to 723,485.24, 998,460.78 and 401,226.20

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Solution

The fourth proportional to 723,485.24, 998,460.78 and 401,226.20 is: 553,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,485.24 : 998,460.78 = 401,226.20 : x
  2. Step 2: Convert to fraction form
    723,485.24/998,460.78 = 401,226.20/x
  3. Step 3: Cross multiply
    723,485.24x = 998,460.78 × 401,226.20
  4. Step 4: Simplify right side
    723,485.24x = 400,608,624,608.44
  5. Step 5: Solve for x
    x = 400,608,624,608.44/723,485.24
  6. Step 6: Final answer
    x = 553,720.52

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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.