Home / 557,934.14-769,948.52-303,287.16

Finding the Fourth Proportional to 557,934.14, 769,948.52 and 303,287.16

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Solution

The fourth proportional to 557,934.14, 769,948.52 and 303,287.16 is: 418,535.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,934.14 : 769,948.52 = 303,287.16 : x
  2. Step 2: Convert to fraction form
    557,934.14/769,948.52 = 303,287.16/x
  3. Step 3: Cross multiply
    557,934.14x = 769,948.52 × 303,287.16
  4. Step 4: Simplify right side
    557,934.14x = 233,515,499,977.00
  5. Step 5: Solve for x
    x = 233,515,499,977.00/557,934.14
  6. Step 6: Final answer
    x = 418,535.96

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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.