Home / 547,918.02-756,124.57-306,200.45

Finding the Fourth Proportional to 547,918.02, 756,124.57 and 306,200.45

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Solution

The fourth proportional to 547,918.02, 756,124.57 and 306,200.45 is: 422,555.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,918.02 : 756,124.57 = 306,200.45 : x
  2. Step 2: Convert to fraction form
    547,918.02/756,124.57 = 306,200.45/x
  3. Step 3: Cross multiply
    547,918.02x = 756,124.57 × 306,200.45
  4. Step 4: Simplify right side
    547,918.02x = 231,525,685,863.12
  5. Step 5: Solve for x
    x = 231,525,685,863.12/547,918.02
  6. Step 6: Final answer
    x = 422,555.34

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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.