Home / 821,552.20-1,133,629.86-458,931.22

Finding the Fourth Proportional to 821,552.20, 1,133,629.86 and 458,931.22

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Solution

The fourth proportional to 821,552.20, 1,133,629.86 and 458,931.22 is: 633,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,552.20 : 1,133,629.86 = 458,931.22 : x
  2. Step 2: Convert to fraction form
    821,552.20/1,133,629.86 = 458,931.22/x
  3. Step 3: Cross multiply
    821,552.20x = 1,133,629.86 × 458,931.22
  4. Step 4: Simplify right side
    821,552.20x = 520,258,134,678.23
  5. Step 5: Solve for x
    x = 520,258,134,678.23/821,552.20
  6. Step 6: Final answer
    x = 633,262.42

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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.