Home / 705,800.91-1,058,106.05-306,140.63

Finding the Fourth Proportional to 705,800.91, 1,058,106.05 and 306,140.63

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Solution

The fourth proportional to 705,800.91, 1,058,106.05 and 306,140.63 is: 458,952.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,800.91 : 1,058,106.05 = 306,140.63 : x
  2. Step 2: Convert to fraction form
    705,800.91/1,058,106.05 = 306,140.63/x
  3. Step 3: Cross multiply
    705,800.91x = 1,058,106.05 × 306,140.63
  4. Step 4: Simplify right side
    705,800.91x = 323,929,251,223.11
  5. Step 5: Solve for x
    x = 323,929,251,223.11/705,800.91
  6. Step 6: Final answer
    x = 458,952.73

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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.