Home / 828,985.76-1,143,992.24-461,457.06

Finding the Fourth Proportional to 828,985.76, 1,143,992.24 and 461,457.06

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Solution

The fourth proportional to 828,985.76, 1,143,992.24 and 461,457.06 is: 636,806.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,985.76 : 1,143,992.24 = 461,457.06 : x
  2. Step 2: Convert to fraction form
    828,985.76/1,143,992.24 = 461,457.06/x
  3. Step 3: Cross multiply
    828,985.76x = 1,143,992.24 × 461,457.06
  4. Step 4: Simplify right side
    828,985.76x = 527,903,293,425.93
  5. Step 5: Solve for x
    x = 527,903,293,425.93/828,985.76
  6. Step 6: Final answer
    x = 636,806.23

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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.