Home / 821,333.94-1,133,428.68-458,763.06

Finding the Fourth Proportional to 821,333.94, 1,133,428.68 and 458,763.06

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Solution

The fourth proportional to 821,333.94, 1,133,428.68 and 458,763.06 is: 633,086.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,333.94 : 1,133,428.68 = 458,763.06 : x
  2. Step 2: Convert to fraction form
    821,333.94/1,133,428.68 = 458,763.06/x
  3. Step 3: Cross multiply
    821,333.94x = 1,133,428.68 × 458,763.06
  4. Step 4: Simplify right side
    821,333.94x = 519,975,209,528.56
  5. Step 5: Solve for x
    x = 519,975,209,528.56/821,333.94
  6. Step 6: Final answer
    x = 633,086.23

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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.