Home / 914,316.44-1,371,564.86-315,198.72

Finding the Fourth Proportional to 914,316.44, 1,371,564.86 and 315,198.72

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Solution

The fourth proportional to 914,316.44, 1,371,564.86 and 315,198.72 is: 472,829.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,316.44 : 1,371,564.86 = 315,198.72 : x
  2. Step 2: Convert to fraction form
    914,316.44/1,371,564.86 = 315,198.72/x
  3. Step 3: Cross multiply
    914,316.44x = 1,371,564.86 × 315,198.72
  4. Step 4: Simplify right side
    914,316.44x = 432,315,486,692.99
  5. Step 5: Solve for x
    x = 432,315,486,692.99/914,316.44
  6. Step 6: Final answer
    x = 472,829.18

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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.