Home / 807,756.90-1,114,661.21-445,108.56

Finding the Fourth Proportional to 807,756.90, 1,114,661.21 and 445,108.56

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Solution

The fourth proportional to 807,756.90, 1,114,661.21 and 445,108.56 is: 614,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,756.90 : 1,114,661.21 = 445,108.56 : x
  2. Step 2: Convert to fraction form
    807,756.90/1,114,661.21 = 445,108.56/x
  3. Step 3: Cross multiply
    807,756.90x = 1,114,661.21 × 445,108.56
  4. Step 4: Simplify right side
    807,756.90x = 496,145,246,070.96
  5. Step 5: Solve for x
    x = 496,145,246,070.96/807,756.90
  6. Step 6: Final answer
    x = 614,225.95

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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.