Home / 651,110.20-975,110.10-399,167.80

Finding the Fourth Proportional to 651,110.20, 975,110.10 and 399,167.80

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Solution

The fourth proportional to 651,110.20, 975,110.10 and 399,167.80 is: 597,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,110.20 : 975,110.10 = 399,167.80 : x
  2. Step 2: Convert to fraction form
    651,110.20/975,110.10 = 399,167.80/x
  3. Step 3: Cross multiply
    651,110.20x = 975,110.10 × 399,167.80
  4. Step 4: Simplify right side
    651,110.20x = 389,232,553,374.78
  5. Step 5: Solve for x
    x = 389,232,553,374.78/651,110.20
  6. Step 6: Final answer
    x = 597,798.27

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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.