Home / 821,329.82-1,133,423.12-458,758.94

Finding the Fourth Proportional to 821,329.82, 1,133,423.12 and 458,758.94

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Solution

The fourth proportional to 821,329.82, 1,133,423.12 and 458,758.94 is: 633,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,329.82 : 1,133,423.12 = 458,758.94 : x
  2. Step 2: Convert to fraction form
    821,329.82/1,133,423.12 = 458,758.94/x
  3. Step 3: Cross multiply
    821,329.82x = 1,133,423.12 × 458,758.94
  4. Step 4: Simplify right side
    821,329.82x = 519,967,989,102.69
  5. Step 5: Solve for x
    x = 519,967,989,102.69/821,329.82
  6. Step 6: Final answer
    x = 633,080.62

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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.