Home / 705,412.62-1,057,848.17-300,348.02

Finding the Fourth Proportional to 705,412.62, 1,057,848.17 and 300,348.02

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Solution

The fourth proportional to 705,412.62, 1,057,848.17 and 300,348.02 is: 450,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,412.62 : 1,057,848.17 = 300,348.02 : x
  2. Step 2: Convert to fraction form
    705,412.62/1,057,848.17 = 300,348.02/x
  3. Step 3: Cross multiply
    705,412.62x = 1,057,848.17 × 300,348.02
  4. Step 4: Simplify right side
    705,412.62x = 317,722,604,463.00
  5. Step 5: Solve for x
    x = 317,722,604,463.00/705,412.62
  6. Step 6: Final answer
    x = 450,406.75

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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.