Home / 547,182.12-755,033.23-305,459.39

Finding the Fourth Proportional to 547,182.12, 755,033.23 and 305,459.39

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Solution

The fourth proportional to 547,182.12, 755,033.23 and 305,459.39 is: 421,490.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,182.12 : 755,033.23 = 305,459.39 : x
  2. Step 2: Convert to fraction form
    547,182.12/755,033.23 = 305,459.39/x
  3. Step 3: Cross multiply
    547,182.12x = 755,033.23 × 305,459.39
  4. Step 4: Simplify right side
    547,182.12x = 230,631,989,865.53
  5. Step 5: Solve for x
    x = 230,631,989,865.53/547,182.12
  6. Step 6: Final answer
    x = 421,490.36

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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.