Home / 447,403.95-617,428.02-253,824.74

Finding the Fourth Proportional to 447,403.95, 617,428.02 and 253,824.74

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Solution

The fourth proportional to 447,403.95, 617,428.02 and 253,824.74 is: 350,284.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,403.95 : 617,428.02 = 253,824.74 : x
  2. Step 2: Convert to fraction form
    447,403.95/617,428.02 = 253,824.74/x
  3. Step 3: Cross multiply
    447,403.95x = 617,428.02 × 253,824.74
  4. Step 4: Simplify right side
    447,403.95x = 156,718,503,558.08
  5. Step 5: Solve for x
    x = 156,718,503,558.08/447,403.95
  6. Step 6: Final answer
    x = 350,284.13

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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.