Home / 557,849.04-769,834.44-303,205.20

Finding the Fourth Proportional to 557,849.04, 769,834.44 and 303,205.20

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Solution

The fourth proportional to 557,849.04, 769,834.44 and 303,205.20 is: 418,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,849.04 : 769,834.44 = 303,205.20 : x
  2. Step 2: Convert to fraction form
    557,849.04/769,834.44 = 303,205.20/x
  3. Step 3: Cross multiply
    557,849.04x = 769,834.44 × 303,205.20
  4. Step 4: Simplify right side
    557,849.04x = 233,417,805,347.09
  5. Step 5: Solve for x
    x = 233,417,805,347.09/557,849.04
  6. Step 6: Final answer
    x = 418,424.68

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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.