Home / 725,936.94-1,089,126.95-371,200.14

Finding the Fourth Proportional to 725,936.94, 1,089,126.95 and 371,200.14

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Solution

The fourth proportional to 725,936.94, 1,089,126.95 and 371,200.14 is: 556,913.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,936.94 : 1,089,126.95 = 371,200.14 : x
  2. Step 2: Convert to fraction form
    725,936.94/1,089,126.95 = 371,200.14/x
  3. Step 3: Cross multiply
    725,936.94x = 1,089,126.95 × 371,200.14
  4. Step 4: Simplify right side
    725,936.94x = 404,284,074,461.77
  5. Step 5: Solve for x
    x = 404,284,074,461.77/725,936.94
  6. Step 6: Final answer
    x = 556,913.49

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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.