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Finding the Fourth Proportional to 649,038.39, 895,672.98 and 362,558.49

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Solution

The fourth proportional to 649,038.39, 895,672.98 and 362,558.49 is: 500,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,038.39 : 895,672.98 = 362,558.49 : x
  2. Step 2: Convert to fraction form
    649,038.39/895,672.98 = 362,558.49/x
  3. Step 3: Cross multiply
    649,038.39x = 895,672.98 × 362,558.49
  4. Step 4: Simplify right side
    649,038.39x = 324,733,843,162.60
  5. Step 5: Solve for x
    x = 324,733,843,162.60/649,038.39
  6. Step 6: Final answer
    x = 500,330.72

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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.