Home / 809,179.16-1,213,827.24-310,543.16

Finding the Fourth Proportional to 809,179.16, 1,213,827.24 and 310,543.16

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Solution

The fourth proportional to 809,179.16, 1,213,827.24 and 310,543.16 is: 465,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,179.16 : 1,213,827.24 = 310,543.16 : x
  2. Step 2: Convert to fraction form
    809,179.16/1,213,827.24 = 310,543.16/x
  3. Step 3: Cross multiply
    809,179.16x = 1,213,827.24 × 310,543.16
  4. Step 4: Simplify right side
    809,179.16x = 376,945,746,803.68
  5. Step 5: Solve for x
    x = 376,945,746,803.68/809,179.16
  6. Step 6: Final answer
    x = 465,837.19

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1.5x scale

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.