Home / 802,964.28-1,108,090.68-445,268.28

Finding the Fourth Proportional to 802,964.28, 1,108,090.68 and 445,268.28

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Solution

The fourth proportional to 802,964.28, 1,108,090.68 and 445,268.28 is: 614,470.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,964.28 : 1,108,090.68 = 445,268.28 : x
  2. Step 2: Convert to fraction form
    802,964.28/1,108,090.68 = 445,268.28/x
  3. Step 3: Cross multiply
    802,964.28x = 1,108,090.68 × 445,268.28
  4. Step 4: Simplify right side
    802,964.28x = 493,397,631,167.63
  5. Step 5: Solve for x
    x = 493,397,631,167.63/802,964.28
  6. Step 6: Final answer
    x = 614,470.21

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1.5x scale

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.