Home / 705,840.88-1,058,758.80-306,429.52

Finding the Fourth Proportional to 705,840.88, 1,058,758.80 and 306,429.52

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Solution

The fourth proportional to 705,840.88, 1,058,758.80 and 306,429.52 is: 459,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,840.88 : 1,058,758.80 = 306,429.52 : x
  2. Step 2: Convert to fraction form
    705,840.88/1,058,758.80 = 306,429.52/x
  3. Step 3: Cross multiply
    705,840.88x = 1,058,758.80 × 306,429.52
  4. Step 4: Simplify right side
    705,840.88x = 324,434,950,879.78
  5. Step 5: Solve for x
    x = 324,434,950,879.78/705,840.88
  6. Step 6: Final answer
    x = 459,643.19

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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.