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Finding the Fourth Proportional to 568,599.12, 780,543.90 and 563,285.52

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Solution

The fourth proportional to 568,599.12, 780,543.90 and 563,285.52 is: 773,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,599.12 : 780,543.90 = 563,285.52 : x
  2. Step 2: Convert to fraction form
    568,599.12/780,543.90 = 563,285.52/x
  3. Step 3: Cross multiply
    568,599.12x = 780,543.90 × 563,285.52
  4. Step 4: Simplify right side
    568,599.12x = 439,669,076,594.33
  5. Step 5: Solve for x
    x = 439,669,076,594.33/568,599.12
  6. Step 6: Final answer
    x = 773,249.66

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.