Home / 680,567.58-1,021,003.77-207,289.98

Finding the Fourth Proportional to 680,567.58, 1,021,003.77 and 207,289.98

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Solution

The fourth proportional to 680,567.58, 1,021,003.77 and 207,289.98 is: 310,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,567.58 : 1,021,003.77 = 207,289.98 : x
  2. Step 2: Convert to fraction form
    680,567.58/1,021,003.77 = 207,289.98/x
  3. Step 3: Cross multiply
    680,567.58x = 1,021,003.77 × 207,289.98
  4. Step 4: Simplify right side
    680,567.58x = 211,643,851,063.23
  5. Step 5: Solve for x
    x = 211,643,851,063.23/680,567.58
  6. Step 6: Final answer
    x = 310,981.39

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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.