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Finding the Fourth Proportional to 568,984.02, 785,252.26 and 310,900.20

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Solution

The fourth proportional to 568,984.02, 785,252.26 and 310,900.20 is: 429,071.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,984.02 : 785,252.26 = 310,900.20 : x
  2. Step 2: Convert to fraction form
    568,984.02/785,252.26 = 310,900.20/x
  3. Step 3: Cross multiply
    568,984.02x = 785,252.26 × 310,900.20
  4. Step 4: Simplify right side
    568,984.02x = 244,135,084,684.45
  5. Step 5: Solve for x
    x = 244,135,084,684.45/568,984.02
  6. Step 6: Final answer
    x = 429,071.95

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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.