Home / 705,780.24-1,058,075.22-306,120

Finding the Fourth Proportional to 705,780.24, 1,058,075.22 and 306,120

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Solution

The fourth proportional to 705,780.24, 1,058,075.22 and 306,120 is: 458,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,780.24 : 1,058,075.22 = 306,120 : x
  2. Step 2: Convert to fraction form
    705,780.24/1,058,075.22 = 306,120/x
  3. Step 3: Cross multiply
    705,780.24x = 1,058,075.22 × 306,120
  4. Step 4: Simplify right side
    705,780.24x = 323,897,986,346.40
  5. Step 5: Solve for x
    x = 323,897,986,346.40/705,780.24
  6. Step 6: Final answer
    x = 458,921.87

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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.