Home / 939,291.73-1,296,223.06-509,571.81

Finding the Fourth Proportional to 939,291.73, 1,296,223.06 and 509,571.81

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Solution

The fourth proportional to 939,291.73, 1,296,223.06 and 509,571.81 is: 703,209.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,291.73 : 1,296,223.06 = 509,571.81 : x
  2. Step 2: Convert to fraction form
    939,291.73/1,296,223.06 = 509,571.81/x
  3. Step 3: Cross multiply
    939,291.73x = 1,296,223.06 × 509,571.81
  4. Step 4: Simplify right side
    939,291.73x = 660,518,730,847.94
  5. Step 5: Solve for x
    x = 660,518,730,847.94/939,291.73
  6. Step 6: Final answer
    x = 703,209.35

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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.