Home / 980,145.77-1,470,422.77-306,199.85

Finding the Fourth Proportional to 980,145.77, 1,470,422.77 and 306,199.85

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Solution

The fourth proportional to 980,145.77, 1,470,422.77 and 306,199.85 is: 459,363.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,145.77 : 1,470,422.77 = 306,199.85 : x
  2. Step 2: Convert to fraction form
    980,145.77/1,470,422.77 = 306,199.85/x
  3. Step 3: Cross multiply
    980,145.77x = 1,470,422.77 × 306,199.85
  4. Step 4: Simplify right side
    980,145.77x = 450,243,223,492.97
  5. Step 5: Solve for x
    x = 450,243,223,492.97/980,145.77
  6. Step 6: Final answer
    x = 459,363.54

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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.