Home / 400,530.38-553,332.24-263,035.52

Finding the Fourth Proportional to 400,530.38, 553,332.24 and 263,035.52

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Solution

The fourth proportional to 400,530.38, 553,332.24 and 263,035.52 is: 363,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,530.38 : 553,332.24 = 263,035.52 : x
  2. Step 2: Convert to fraction form
    400,530.38/553,332.24 = 263,035.52/x
  3. Step 3: Cross multiply
    400,530.38x = 553,332.24 × 263,035.52
  4. Step 4: Simplify right side
    400,530.38x = 145,546,033,481.17
  5. Step 5: Solve for x
    x = 145,546,033,481.17/400,530.38
  6. Step 6: Final answer
    x = 363,383.26

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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.