Home / 986,540.34-1,361,429.28-533,831.34

Finding the Fourth Proportional to 986,540.34, 1,361,429.28 and 533,831.34

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Solution

The fourth proportional to 986,540.34, 1,361,429.28 and 533,831.34 is: 736,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,540.34 : 1,361,429.28 = 533,831.34 : x
  2. Step 2: Convert to fraction form
    986,540.34/1,361,429.28 = 533,831.34/x
  3. Step 3: Cross multiply
    986,540.34x = 1,361,429.28 × 533,831.34
  4. Step 4: Simplify right side
    986,540.34x = 726,773,616,857.64
  5. Step 5: Solve for x
    x = 726,773,616,857.64/986,540.34
  6. Step 6: Final answer
    x = 736,689.20

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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.