Home / 705,806.28-1,058,114.15-306,146.14

Finding the Fourth Proportional to 705,806.28, 1,058,114.15 and 306,146.14

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Solution

The fourth proportional to 705,806.28, 1,058,114.15 and 306,146.14 is: 458,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,806.28 : 1,058,114.15 = 306,146.14 : x
  2. Step 2: Convert to fraction form
    705,806.28/1,058,114.15 = 306,146.14/x
  3. Step 3: Cross multiply
    705,806.28x = 1,058,114.15 × 306,146.14
  4. Step 4: Simplify right side
    705,806.28x = 323,937,562,701.88
  5. Step 5: Solve for x
    x = 323,937,562,701.88/705,806.28
  6. Step 6: Final answer
    x = 458,961.01

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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.