Home / 614,701.82-921,831.06-259,743.35

Finding the Fourth Proportional to 614,701.82, 921,831.06 and 259,743.35

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Solution

The fourth proportional to 614,701.82, 921,831.06 and 259,743.35 is: 389,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,701.82 : 921,831.06 = 259,743.35 : x
  2. Step 2: Convert to fraction form
    614,701.82/921,831.06 = 259,743.35/x
  3. Step 3: Cross multiply
    614,701.82x = 921,831.06 × 259,743.35
  4. Step 4: Simplify right side
    614,701.82x = 239,439,487,658.45
  5. Step 5: Solve for x
    x = 239,439,487,658.45/614,701.82
  6. Step 6: Final answer
    x = 389,521.36

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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.