Home / 662,889.12-914,782.32-361,083.12

Finding the Fourth Proportional to 662,889.12, 914,782.32 and 361,083.12

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Solution

The fourth proportional to 662,889.12, 914,782.32 and 361,083.12 is: 498,292.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,889.12 : 914,782.32 = 361,083.12 : x
  2. Step 2: Convert to fraction form
    662,889.12/914,782.32 = 361,083.12/x
  3. Step 3: Cross multiply
    662,889.12x = 914,782.32 × 361,083.12
  4. Step 4: Simplify right side
    662,889.12x = 330,312,454,226.44
  5. Step 5: Solve for x
    x = 330,312,454,226.44/662,889.12
  6. Step 6: Final answer
    x = 498,292.16

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1.5x scale

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.