Home / 882,538.08-1,323,543.24-321,441.36

Finding the Fourth Proportional to 882,538.08, 1,323,543.24 and 321,441.36

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Solution

The fourth proportional to 882,538.08, 1,323,543.24 and 321,441.36 is: 482,065.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,538.08 : 1,323,543.24 = 321,441.36 : x
  2. Step 2: Convert to fraction form
    882,538.08/1,323,543.24 = 321,441.36/x
  3. Step 3: Cross multiply
    882,538.08x = 1,323,543.24 × 321,441.36
  4. Step 4: Simplify right side
    882,538.08x = 425,441,539,084.41
  5. Step 5: Solve for x
    x = 425,441,539,084.41/882,538.08
  6. Step 6: Final answer
    x = 482,065.93

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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.