Home / 821,552.77-1,133,742.72-458,976.72

Finding the Fourth Proportional to 821,552.77, 1,133,742.72 and 458,976.72

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Solution

The fourth proportional to 821,552.77, 1,133,742.72 and 458,976.72 is: 633,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,552.77 : 1,133,742.72 = 458,976.72 : x
  2. Step 2: Convert to fraction form
    821,552.77/1,133,742.72 = 458,976.72/x
  3. Step 3: Cross multiply
    821,552.77x = 1,133,742.72 × 458,976.72
  4. Step 4: Simplify right side
    821,552.77x = 520,361,514,949.48
  5. Step 5: Solve for x
    x = 520,361,514,949.48/821,552.77
  6. Step 6: Final answer
    x = 633,387.82

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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.