Home / 727,566.66-1,003,680.90-486,172.98

Finding the Fourth Proportional to 727,566.66, 1,003,680.90 and 486,172.98

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Solution

The fourth proportional to 727,566.66, 1,003,680.90 and 486,172.98 is: 670,677.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,566.66 : 1,003,680.90 = 486,172.98 : x
  2. Step 2: Convert to fraction form
    727,566.66/1,003,680.90 = 486,172.98/x
  3. Step 3: Cross multiply
    727,566.66x = 1,003,680.90 × 486,172.98
  4. Step 4: Simplify right side
    727,566.66x = 487,962,534,122.08
  5. Step 5: Solve for x
    x = 487,962,534,122.08/727,566.66
  6. Step 6: Final answer
    x = 670,677.43

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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.