Home / 749,138.94-1,033,913.02-422,519.06

Finding the Fourth Proportional to 749,138.94, 1,033,913.02 and 422,519.06

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Solution

The fourth proportional to 749,138.94, 1,033,913.02 and 422,519.06 is: 583,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,138.94 : 1,033,913.02 = 422,519.06 : x
  2. Step 2: Convert to fraction form
    749,138.94/1,033,913.02 = 422,519.06/x
  3. Step 3: Cross multiply
    749,138.94x = 1,033,913.02 × 422,519.06
  4. Step 4: Simplify right side
    749,138.94x = 436,847,957,332.16
  5. Step 5: Solve for x
    x = 436,847,957,332.16/749,138.94
  6. Step 6: Final answer
    x = 583,133.43

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1.5x scale

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.