Home / 994,881.34-1,492,535.04-321,000.76

Finding the Fourth Proportional to 994,881.34, 1,492,535.04 and 321,000.76

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Solution

The fourth proportional to 994,881.34, 1,492,535.04 and 321,000.76 is: 481,569.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,881.34 : 1,492,535.04 = 321,000.76 : x
  2. Step 2: Convert to fraction form
    994,881.34/1,492,535.04 = 321,000.76/x
  3. Step 3: Cross multiply
    994,881.34x = 1,492,535.04 × 321,000.76
  4. Step 4: Simplify right side
    994,881.34x = 479,104,882,166.63
  5. Step 5: Solve for x
    x = 479,104,882,166.63/994,881.34
  6. Step 6: Final answer
    x = 481,569.87

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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.