Home / 807,688.67-1,114,617.92-445,125.78

Finding the Fourth Proportional to 807,688.67, 1,114,617.92 and 445,125.78

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Solution

The fourth proportional to 807,688.67, 1,114,617.92 and 445,125.78 is: 614,277.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,688.67 : 1,114,617.92 = 445,125.78 : x
  2. Step 2: Convert to fraction form
    807,688.67/1,114,617.92 = 445,125.78/x
  3. Step 3: Cross multiply
    807,688.67x = 1,114,617.92 × 445,125.78
  4. Step 4: Simplify right side
    807,688.67x = 496,145,168,816.35
  5. Step 5: Solve for x
    x = 496,145,168,816.35/807,688.67
  6. Step 6: Final answer
    x = 614,277.74

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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.