Home / 705,087.40-1,057,242.30-283,887.40

Finding the Fourth Proportional to 705,087.40, 1,057,242.30 and 283,887.40

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Solution

The fourth proportional to 705,087.40, 1,057,242.30 and 283,887.40 is: 425,674.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,087.40 : 1,057,242.30 = 283,887.40 : x
  2. Step 2: Convert to fraction form
    705,087.40/1,057,242.30 = 283,887.40/x
  3. Step 3: Cross multiply
    705,087.40x = 1,057,242.30 × 283,887.40
  4. Step 4: Simplify right side
    705,087.40x = 300,137,767,717.02
  5. Step 5: Solve for x
    x = 300,137,767,717.02/705,087.40
  6. Step 6: Final answer
    x = 425,674.56

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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.