Home / 808,734.66-1,212,462.75-403,719

Finding the Fourth Proportional to 808,734.66, 1,212,462.75 and 403,719

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Solution

The fourth proportional to 808,734.66, 1,212,462.75 and 403,719 is: 605,259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,734.66 : 1,212,462.75 = 403,719 : x
  2. Step 2: Convert to fraction form
    808,734.66/1,212,462.75 = 403,719/x
  3. Step 3: Cross multiply
    808,734.66x = 1,212,462.75 × 403,719
  4. Step 4: Simplify right side
    808,734.66x = 489,494,248,967.25
  5. Step 5: Solve for x
    x = 489,494,248,967.25/808,734.66
  6. Step 6: Final answer
    x = 605,259.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.