Home / 705,113.61-1,058,090.67-255,869.52

Finding the Fourth Proportional to 705,113.61, 1,058,090.67 and 255,869.52

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Solution

The fourth proportional to 705,113.61, 1,058,090.67 and 255,869.52 is: 383,956.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,113.61 : 1,058,090.67 = 255,869.52 : x
  2. Step 2: Convert to fraction form
    705,113.61/1,058,090.67 = 255,869.52/x
  3. Step 3: Cross multiply
    705,113.61x = 1,058,090.67 × 255,869.52
  4. Step 4: Simplify right side
    705,113.61x = 270,733,150,570.03
  5. Step 5: Solve for x
    x = 270,733,150,570.03/705,113.61
  6. Step 6: Final answer
    x = 383,956.78

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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.