Home / 928,925.93-1,393,054.47-321,549.22

Finding the Fourth Proportional to 928,925.93, 1,393,054.47 and 321,549.22

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Solution

The fourth proportional to 928,925.93, 1,393,054.47 and 321,549.22 is: 482,208.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,925.93 : 1,393,054.47 = 321,549.22 : x
  2. Step 2: Convert to fraction form
    928,925.93/1,393,054.47 = 321,549.22/x
  3. Step 3: Cross multiply
    928,925.93x = 1,393,054.47 × 321,549.22
  4. Step 4: Simplify right side
    928,925.93x = 447,935,578,246.01
  5. Step 5: Solve for x
    x = 447,935,578,246.01/928,925.93
  6. Step 6: Final answer
    x = 482,208.07

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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.