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Finding the Fourth Proportional to 557,850.04, 769,835.82 and 303,206.20

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Solution

The fourth proportional to 557,850.04, 769,835.82 and 303,206.20 is: 418,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,850.04 : 769,835.82 = 303,206.20 : x
  2. Step 2: Convert to fraction form
    557,850.04/769,835.82 = 303,206.20/x
  3. Step 3: Cross multiply
    557,850.04x = 769,835.82 × 303,206.20
  4. Step 4: Simplify right side
    557,850.04x = 233,418,993,606.08
  5. Step 5: Solve for x
    x = 233,418,993,606.08/557,850.04
  6. Step 6: Final answer
    x = 418,426.06

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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.