Home / 808,302.31-1,115,484.13-440,799.55

Finding the Fourth Proportional to 808,302.31, 1,115,484.13 and 440,799.55

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Solution

The fourth proportional to 808,302.31, 1,115,484.13 and 440,799.55 is: 608,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,302.31 : 1,115,484.13 = 440,799.55 : x
  2. Step 2: Convert to fraction form
    808,302.31/1,115,484.13 = 440,799.55/x
  3. Step 3: Cross multiply
    808,302.31x = 1,115,484.13 × 440,799.55
  4. Step 4: Simplify right side
    808,302.31x = 491,704,904,093.53
  5. Step 5: Solve for x
    x = 491,704,904,093.53/808,302.31
  6. Step 6: Final answer
    x = 608,318.08

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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.