Home / 808,048.43-1,115,114.46-445,485.29

Finding the Fourth Proportional to 808,048.43, 1,115,114.46 and 445,485.29

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Solution

The fourth proportional to 808,048.43, 1,115,114.46 and 445,485.29 is: 614,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,048.43 : 1,115,114.46 = 445,485.29 : x
  2. Step 2: Convert to fraction form
    808,048.43/1,115,114.46 = 445,485.29/x
  3. Step 3: Cross multiply
    808,048.43x = 1,115,114.46 × 445,485.29
  4. Step 4: Simplify right side
    808,048.43x = 496,767,090,128.53
  5. Step 5: Solve for x
    x = 496,767,090,128.53/808,048.43
  6. Step 6: Final answer
    x = 614,773.91

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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.