Home / 808,031.60-1,115,090.82-445,468.23

Finding the Fourth Proportional to 808,031.60, 1,115,090.82 and 445,468.23

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Solution

The fourth proportional to 808,031.60, 1,115,090.82 and 445,468.23 is: 614,750.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,031.60 : 1,115,090.82 = 445,468.23 : x
  2. Step 2: Convert to fraction form
    808,031.60/1,115,090.82 = 445,468.23/x
  3. Step 3: Cross multiply
    808,031.60x = 1,115,090.82 × 445,468.23
  4. Step 4: Simplify right side
    808,031.60x = 496,737,533,874.65
  5. Step 5: Solve for x
    x = 496,737,533,874.65/808,031.60
  6. Step 6: Final answer
    x = 614,750.14

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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.