Home / 909,799.51-1,363,351.43-369,398.64

Finding the Fourth Proportional to 909,799.51, 1,363,351.43 and 369,398.64

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Solution

The fourth proportional to 909,799.51, 1,363,351.43 and 369,398.64 is: 553,550.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,799.51 : 1,363,351.43 = 369,398.64 : x
  2. Step 2: Convert to fraction form
    909,799.51/1,363,351.43 = 369,398.64/x
  3. Step 3: Cross multiply
    909,799.51x = 1,363,351.43 × 369,398.64
  4. Step 4: Simplify right side
    909,799.51x = 503,620,165,007.55
  5. Step 5: Solve for x
    x = 503,620,165,007.55/909,799.51
  6. Step 6: Final answer
    x = 553,550.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.