Home / 986,744.24-1,480,706.86-425,778.76

Finding the Fourth Proportional to 986,744.24, 1,480,706.86 and 425,778.76

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Solution

The fourth proportional to 986,744.24, 1,480,706.86 and 425,778.76 is: 638,922.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,744.24 : 1,480,706.86 = 425,778.76 : x
  2. Step 2: Convert to fraction form
    986,744.24/1,480,706.86 = 425,778.76/x
  3. Step 3: Cross multiply
    986,744.24x = 1,480,706.86 × 425,778.76
  4. Step 4: Simplify right side
    986,744.24x = 630,453,530,774.29
  5. Step 5: Solve for x
    x = 630,453,530,774.29/986,744.24
  6. Step 6: Final answer
    x = 638,922.94

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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.