Home / 811,077.49-1,118,914.90-524,689.93

Finding the Fourth Proportional to 811,077.49, 1,118,914.90 and 524,689.93

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Solution

The fourth proportional to 811,077.49, 1,118,914.90 and 524,689.93 is: 723,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,077.49 : 1,118,914.90 = 524,689.93 : x
  2. Step 2: Convert to fraction form
    811,077.49/1,118,914.90 = 524,689.93/x
  3. Step 3: Cross multiply
    811,077.49x = 1,118,914.90 × 524,689.93
  4. Step 4: Simplify right side
    811,077.49x = 587,083,380,556.96
  5. Step 5: Solve for x
    x = 587,083,380,556.96/811,077.49
  6. Step 6: Final answer
    x = 723,831.43

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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.