Home / 705,315.70-1,057,973.55-492,739.30

Finding the Fourth Proportional to 705,315.70, 1,057,973.55 and 492,739.30

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Solution

The fourth proportional to 705,315.70, 1,057,973.55 and 492,739.30 is: 739,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,315.70 : 1,057,973.55 = 492,739.30 : x
  2. Step 2: Convert to fraction form
    705,315.70/1,057,973.55 = 492,739.30/x
  3. Step 3: Cross multiply
    705,315.70x = 1,057,973.55 × 492,739.30
  4. Step 4: Simplify right side
    705,315.70x = 521,305,146,445.52
  5. Step 5: Solve for x
    x = 521,305,146,445.52/705,315.70
  6. Step 6: Final answer
    x = 739,108.95

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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.