Home / 808,728.76-1,212,453.95-403,713.10

Finding the Fourth Proportional to 808,728.76, 1,212,453.95 and 403,713.10

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Solution

The fourth proportional to 808,728.76, 1,212,453.95 and 403,713.10 is: 605,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,728.76 : 1,212,453.95 = 403,713.10 : x
  2. Step 2: Convert to fraction form
    808,728.76/1,212,453.95 = 403,713.10/x
  3. Step 3: Cross multiply
    808,728.76x = 1,212,453.95 × 403,713.10
  4. Step 4: Simplify right side
    808,728.76x = 489,483,549,642.80
  5. Step 5: Solve for x
    x = 489,483,549,642.80/808,728.76
  6. Step 6: Final answer
    x = 605,250.58

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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.