Home / 939,648.76-1,296,724.80-509,932.60

Finding the Fourth Proportional to 939,648.76, 1,296,724.80 and 509,932.60

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Solution

The fourth proportional to 939,648.76, 1,296,724.80 and 509,932.60 is: 703,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,648.76 : 1,296,724.80 = 509,932.60 : x
  2. Step 2: Convert to fraction form
    939,648.76/1,296,724.80 = 509,932.60/x
  3. Step 3: Cross multiply
    939,648.76x = 1,296,724.80 × 509,932.60
  4. Step 4: Simplify right side
    939,648.76x = 661,242,248,748.48
  5. Step 5: Solve for x
    x = 661,242,248,748.48/939,648.76
  6. Step 6: Final answer
    x = 703,712.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.