Home / 807,866.64-1,114,851.74-445,291.20

Finding the Fourth Proportional to 807,866.64, 1,114,851.74 and 445,291.20

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Solution

The fourth proportional to 807,866.64, 1,114,851.74 and 445,291.20 is: 614,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,866.64 : 1,114,851.74 = 445,291.20 : x
  2. Step 2: Convert to fraction form
    807,866.64/1,114,851.74 = 445,291.20/x
  3. Step 3: Cross multiply
    807,866.64x = 1,114,851.74 × 445,291.20
  4. Step 4: Simplify right side
    807,866.64x = 496,433,666,900.23
  5. Step 5: Solve for x
    x = 496,433,666,900.23/807,866.64
  6. Step 6: Final answer
    x = 614,499.53

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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.