Home / 728,851.43-1,092,808.83-302,681.22

Finding the Fourth Proportional to 728,851.43, 1,092,808.83 and 302,681.22

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Solution

The fourth proportional to 728,851.43, 1,092,808.83 and 302,681.22 is: 453,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,851.43 : 1,092,808.83 = 302,681.22 : x
  2. Step 2: Convert to fraction form
    728,851.43/1,092,808.83 = 302,681.22/x
  3. Step 3: Cross multiply
    728,851.43x = 1,092,808.83 × 302,681.22
  4. Step 4: Simplify right side
    728,851.43x = 330,772,709,891.17
  5. Step 5: Solve for x
    x = 330,772,709,891.17/728,851.43
  6. Step 6: Final answer
    x = 453,827.34

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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.