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Finding the Fourth Proportional to 568,983.02, 785,250.88 and 310,899.20

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Solution

The fourth proportional to 568,983.02, 785,250.88 and 310,899.20 is: 429,070.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,983.02 : 785,250.88 = 310,899.20 : x
  2. Step 2: Convert to fraction form
    568,983.02/785,250.88 = 310,899.20/x
  3. Step 3: Cross multiply
    568,983.02x = 785,250.88 × 310,899.20
  4. Step 4: Simplify right side
    568,983.02x = 244,133,865,687.79
  5. Step 5: Solve for x
    x = 244,133,865,687.79/568,983.02
  6. Step 6: Final answer
    x = 429,070.57

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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.