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Finding the Fourth Proportional to 578,649.71, 800,060.37 and 506,823.64

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Solution

The fourth proportional to 578,649.71, 800,060.37 and 506,823.64 is: 700,751.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,649.71 : 800,060.37 = 506,823.64 : x
  2. Step 2: Convert to fraction form
    578,649.71/800,060.37 = 506,823.64/x
  3. Step 3: Cross multiply
    578,649.71x = 800,060.37 × 506,823.64
  4. Step 4: Simplify right side
    578,649.71x = 405,489,505,042.41
  5. Step 5: Solve for x
    x = 405,489,505,042.41/578,649.71
  6. Step 6: Final answer
    x = 700,751.24

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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.