Home / 823,784.47-1,235,438.14-247,384.52

Finding the Fourth Proportional to 823,784.47, 1,235,438.14 and 247,384.52

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Solution

The fourth proportional to 823,784.47, 1,235,438.14 and 247,384.52 is: 371,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,784.47 : 1,235,438.14 = 247,384.52 : x
  2. Step 2: Convert to fraction form
    823,784.47/1,235,438.14 = 247,384.52/x
  3. Step 3: Cross multiply
    823,784.47x = 1,235,438.14 × 247,384.52
  4. Step 4: Simplify right side
    823,784.47x = 305,628,276,504.02
  5. Step 5: Solve for x
    x = 305,628,276,504.02/823,784.47
  6. Step 6: Final answer
    x = 371,005.14

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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.