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Finding the Fourth Proportional to 557,805.40, 836,944.86 and 304,790.35

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Solution

The fourth proportional to 557,805.40, 836,944.86 and 304,790.35 is: 457,314.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,805.40 : 836,944.86 = 304,790.35 : x
  2. Step 2: Convert to fraction form
    557,805.40/836,944.86 = 304,790.35/x
  3. Step 3: Cross multiply
    557,805.40x = 836,944.86 × 304,790.35
  4. Step 4: Simplify right side
    557,805.40x = 255,092,716,810.10
  5. Step 5: Solve for x
    x = 255,092,716,810.10/557,805.40
  6. Step 6: Final answer
    x = 457,314.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.