Home / 866,728.40-1,300,464.78-334,623.14

Finding the Fourth Proportional to 866,728.40, 1,300,464.78 and 334,623.14

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Solution

The fourth proportional to 866,728.40, 1,300,464.78 and 334,623.14 is: 502,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,728.40 : 1,300,464.78 = 334,623.14 : x
  2. Step 2: Convert to fraction form
    866,728.40/1,300,464.78 = 334,623.14/x
  3. Step 3: Cross multiply
    866,728.40x = 1,300,464.78 × 334,623.14
  4. Step 4: Simplify right side
    866,728.40x = 435,165,608,143.01
  5. Step 5: Solve for x
    x = 435,165,608,143.01/866,728.40
  6. Step 6: Final answer
    x = 502,078.40

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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.