Home / 939,594.06-1,296,640.98-509,881.50

Finding the Fourth Proportional to 939,594.06, 1,296,640.98 and 509,881.50

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Solution

The fourth proportional to 939,594.06, 1,296,640.98 and 509,881.50 is: 703,637.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,594.06 : 1,296,640.98 = 509,881.50 : x
  2. Step 2: Convert to fraction form
    939,594.06/1,296,640.98 = 509,881.50/x
  3. Step 3: Cross multiply
    939,594.06x = 1,296,640.98 × 509,881.50
  4. Step 4: Simplify right side
    939,594.06x = 661,133,247,843.87
  5. Step 5: Solve for x
    x = 661,133,247,843.87/939,594.06
  6. Step 6: Final answer
    x = 703,637.11

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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.