Home / 724,867.95-1,087,675.02-298,718.64

Finding the Fourth Proportional to 724,867.95, 1,087,675.02 and 298,718.64

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Solution

The fourth proportional to 724,867.95, 1,087,675.02 and 298,718.64 is: 448,231.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,867.95 : 1,087,675.02 = 298,718.64 : x
  2. Step 2: Convert to fraction form
    724,867.95/1,087,675.02 = 298,718.64/x
  3. Step 3: Cross multiply
    724,867.95x = 1,087,675.02 × 298,718.64
  4. Step 4: Simplify right side
    724,867.95x = 324,908,802,736.37
  5. Step 5: Solve for x
    x = 324,908,802,736.37/724,867.95
  6. Step 6: Final answer
    x = 448,231.71

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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.