Home / 705,694.83-1,058,652.98-421,706.04

Finding the Fourth Proportional to 705,694.83, 1,058,652.98 and 421,706.04

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Solution

The fourth proportional to 705,694.83, 1,058,652.98 and 421,706.04 is: 632,625.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,694.83 : 1,058,652.98 = 421,706.04 : x
  2. Step 2: Convert to fraction form
    705,694.83/1,058,652.98 = 421,706.04/x
  3. Step 3: Cross multiply
    705,694.83x = 1,058,652.98 × 421,706.04
  4. Step 4: Simplify right side
    705,694.83x = 446,440,353,821.47
  5. Step 5: Solve for x
    x = 446,440,353,821.47/705,694.83
  6. Step 6: Final answer
    x = 632,625.23

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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.