Home / 807,682.80-1,114,597.08-445,109.52

Finding the Fourth Proportional to 807,682.80, 1,114,597.08 and 445,109.52

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Solution

The fourth proportional to 807,682.80, 1,114,597.08 and 445,109.52 is: 614,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,682.80 : 1,114,597.08 = 445,109.52 : x
  2. Step 2: Convert to fraction form
    807,682.80/1,114,597.08 = 445,109.52/x
  3. Step 3: Cross multiply
    807,682.80x = 1,114,597.08 × 445,109.52
  4. Step 4: Simplify right side
    807,682.80x = 496,117,771,272.20
  5. Step 5: Solve for x
    x = 496,117,771,272.20/807,682.80
  6. Step 6: Final answer
    x = 614,248.28

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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.