Home / 662,947.86-914,874.10-401,309.18

Finding the Fourth Proportional to 662,947.86, 914,874.10 and 401,309.18

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Solution

The fourth proportional to 662,947.86, 914,874.10 and 401,309.18 is: 553,810.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,947.86 : 914,874.10 = 401,309.18 : x
  2. Step 2: Convert to fraction form
    662,947.86/914,874.10 = 401,309.18/x
  3. Step 3: Cross multiply
    662,947.86x = 914,874.10 × 401,309.18
  4. Step 4: Simplify right side
    662,947.86x = 367,147,374,874.24
  5. Step 5: Solve for x
    x = 367,147,374,874.24/662,947.86
  6. Step 6: Final answer
    x = 553,810.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.