Home / 796,378.80-1,098,923.04-490,406.16

Finding the Fourth Proportional to 796,378.80, 1,098,923.04 and 490,406.16

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Solution

The fourth proportional to 796,378.80, 1,098,923.04 and 490,406.16 is: 676,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,378.80 : 1,098,923.04 = 490,406.16 : x
  2. Step 2: Convert to fraction form
    796,378.80/1,098,923.04 = 490,406.16/x
  3. Step 3: Cross multiply
    796,378.80x = 1,098,923.04 × 490,406.16
  4. Step 4: Simplify right side
    796,378.80x = 538,918,628,181.93
  5. Step 5: Solve for x
    x = 538,918,628,181.93/796,378.80
  6. Step 6: Final answer
    x = 676,711.42

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Double scale
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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.