Home / 755,971.47-1,133,928.86-187,354.44

Finding the Fourth Proportional to 755,971.47, 1,133,928.86 and 187,354.44

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Solution

The fourth proportional to 755,971.47, 1,133,928.86 and 187,354.44 is: 281,024.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,971.47 : 1,133,928.86 = 187,354.44 : x
  2. Step 2: Convert to fraction form
    755,971.47/1,133,928.86 = 187,354.44/x
  3. Step 3: Cross multiply
    755,971.47x = 1,133,928.86 × 187,354.44
  4. Step 4: Simplify right side
    755,971.47x = 212,446,605,628.37
  5. Step 5: Solve for x
    x = 212,446,605,628.37/755,971.47
  6. Step 6: Final answer
    x = 281,024.63

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1.5x scale

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.