Home / 723,483.24-998,458.02-401,224.20

Finding the Fourth Proportional to 723,483.24, 998,458.02 and 401,224.20

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Solution

The fourth proportional to 723,483.24, 998,458.02 and 401,224.20 is: 553,717.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,483.24 : 998,458.02 = 401,224.20 : x
  2. Step 2: Convert to fraction form
    723,483.24/998,458.02 = 401,224.20/x
  3. Step 3: Cross multiply
    723,483.24x = 998,458.02 × 401,224.20
  4. Step 4: Simplify right side
    723,483.24x = 400,605,520,308.08
  5. Step 5: Solve for x
    x = 400,605,520,308.08/723,483.24
  6. Step 6: Final answer
    x = 553,717.76

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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.