Home / 885,350.53-1,328,037.65-278,119.05

Finding the Fourth Proportional to 885,350.53, 1,328,037.65 and 278,119.05

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Solution

The fourth proportional to 885,350.53, 1,328,037.65 and 278,119.05 is: 417,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,350.53 : 1,328,037.65 = 278,119.05 : x
  2. Step 2: Convert to fraction form
    885,350.53/1,328,037.65 = 278,119.05/x
  3. Step 3: Cross multiply
    885,350.53x = 1,328,037.65 × 278,119.05
  4. Step 4: Simplify right side
    885,350.53x = 369,352,563,211.50
  5. Step 5: Solve for x
    x = 369,352,563,211.50/885,350.53
  6. Step 6: Final answer
    x = 417,182.29

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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.