Home / 705,087.90-1,057,243.05-283,887.90

Finding the Fourth Proportional to 705,087.90, 1,057,243.05 and 283,887.90

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Solution

The fourth proportional to 705,087.90, 1,057,243.05 and 283,887.90 is: 425,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,087.90 : 1,057,243.05 = 283,887.90 : x
  2. Step 2: Convert to fraction form
    705,087.90/1,057,243.05 = 283,887.90/x
  3. Step 3: Cross multiply
    705,087.90x = 1,057,243.05 × 283,887.90
  4. Step 4: Simplify right side
    705,087.90x = 300,138,509,254.10
  5. Step 5: Solve for x
    x = 300,138,509,254.10/705,087.90
  6. Step 6: Final answer
    x = 425,675.31

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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.