Home / 808,304.56-1,115,487.23-440,801.80

Finding the Fourth Proportional to 808,304.56, 1,115,487.23 and 440,801.80

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Solution

The fourth proportional to 808,304.56, 1,115,487.23 and 440,801.80 is: 608,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,304.56 : 1,115,487.23 = 440,801.80 : x
  2. Step 2: Convert to fraction form
    808,304.56/1,115,487.23 = 440,801.80/x
  3. Step 3: Cross multiply
    808,304.56x = 1,115,487.23 × 440,801.80
  4. Step 4: Simplify right side
    808,304.56x = 491,708,773,868.29
  5. Step 5: Solve for x
    x = 491,708,773,868.29/808,304.56
  6. Step 6: Final answer
    x = 608,321.17

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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.