Home / 807,687.30-1,114,603.29-445,114.02

Finding the Fourth Proportional to 807,687.30, 1,114,603.29 and 445,114.02

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Solution

The fourth proportional to 807,687.30, 1,114,603.29 and 445,114.02 is: 614,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,687.30 : 1,114,603.29 = 445,114.02 : x
  2. Step 2: Convert to fraction form
    807,687.30/1,114,603.29 = 445,114.02/x
  3. Step 3: Cross multiply
    807,687.30x = 1,114,603.29 × 445,114.02
  4. Step 4: Simplify right side
    807,687.30x = 496,125,551,117.13
  5. Step 5: Solve for x
    x = 496,125,551,117.13/807,687.30
  6. Step 6: Final answer
    x = 614,254.49

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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.