Home / 971,262.18-1,456,005.78-339,831.54

Finding the Fourth Proportional to 971,262.18, 1,456,005.78 and 339,831.54

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Solution

The fourth proportional to 971,262.18, 1,456,005.78 and 339,831.54 is: 509,436.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,262.18 : 1,456,005.78 = 339,831.54 : x
  2. Step 2: Convert to fraction form
    971,262.18/1,456,005.78 = 339,831.54/x
  3. Step 3: Cross multiply
    971,262.18x = 1,456,005.78 × 339,831.54
  4. Step 4: Simplify right side
    971,262.18x = 494,796,686,466.30
  5. Step 5: Solve for x
    x = 494,796,686,466.30/971,262.18
  6. Step 6: Final answer
    x = 509,436.79

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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.