Home / 699,801.24-1,049,694.96-320,614.40

Finding the Fourth Proportional to 699,801.24, 1,049,694.96 and 320,614.40

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Solution

The fourth proportional to 699,801.24, 1,049,694.96 and 320,614.40 is: 480,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,801.24 : 1,049,694.96 = 320,614.40 : x
  2. Step 2: Convert to fraction form
    699,801.24/1,049,694.96 = 320,614.40/x
  3. Step 3: Cross multiply
    699,801.24x = 1,049,694.96 × 320,614.40
  4. Step 4: Simplify right side
    699,801.24x = 336,547,319,783.42
  5. Step 5: Solve for x
    x = 336,547,319,783.42/699,801.24
  6. Step 6: Final answer
    x = 480,918.44

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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.