Home / 994,945.95-1,492,631.42-321,065.55

Finding the Fourth Proportional to 994,945.95, 1,492,631.42 and 321,065.55

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Solution

The fourth proportional to 994,945.95, 1,492,631.42 and 321,065.55 is: 481,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,945.95 : 1,492,631.42 = 321,065.55 : x
  2. Step 2: Convert to fraction form
    994,945.95/1,492,631.42 = 321,065.55/x
  3. Step 3: Cross multiply
    994,945.95x = 1,492,631.42 × 321,065.55
  4. Step 4: Simplify right side
    994,945.95x = 479,232,526,204.25
  5. Step 5: Solve for x
    x = 479,232,526,204.25/994,945.95
  6. Step 6: Final answer
    x = 481,666.89

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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.