Home / 617,645.10-926,542.38-218,204.12

Finding the Fourth Proportional to 617,645.10, 926,542.38 and 218,204.12

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Solution

The fourth proportional to 617,645.10, 926,542.38 and 218,204.12 is: 327,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,645.10 : 926,542.38 = 218,204.12 : x
  2. Step 2: Convert to fraction form
    617,645.10/926,542.38 = 218,204.12/x
  3. Step 3: Cross multiply
    617,645.10x = 926,542.38 × 218,204.12
  4. Step 4: Simplify right side
    617,645.10x = 202,175,364,670.61
  5. Step 5: Solve for x
    x = 202,175,364,670.61/617,645.10
  6. Step 6: Final answer
    x = 327,332.58

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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.