Home / 884,831.21-1,221,031.91-522,371.83

Finding the Fourth Proportional to 884,831.21, 1,221,031.91 and 522,371.83

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Solution

The fourth proportional to 884,831.21, 1,221,031.91 and 522,371.83 is: 720,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,831.21 : 1,221,031.91 = 522,371.83 : x
  2. Step 2: Convert to fraction form
    884,831.21/1,221,031.91 = 522,371.83/x
  3. Step 3: Cross multiply
    884,831.21x = 1,221,031.91 × 522,371.83
  4. Step 4: Simplify right side
    884,831.21x = 637,832,673,315.10
  5. Step 5: Solve for x
    x = 637,832,673,315.10/884,831.21
  6. Step 6: Final answer
    x = 720,852.37

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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.