Home / 705,905.40-1,058,469.30-284,705.40

Finding the Fourth Proportional to 705,905.40, 1,058,469.30 and 284,705.40

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Solution

The fourth proportional to 705,905.40, 1,058,469.30 and 284,705.40 is: 426,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,905.40 : 1,058,469.30 = 284,705.40 : x
  2. Step 2: Convert to fraction form
    705,905.40/1,058,469.30 = 284,705.40/x
  3. Step 3: Cross multiply
    705,905.40x = 1,058,469.30 × 284,705.40
  4. Step 4: Simplify right side
    705,905.40x = 301,351,925,444.22
  5. Step 5: Solve for x
    x = 301,351,925,444.22/705,905.40
  6. Step 6: Final answer
    x = 426,901.29

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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.