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Finding the Fourth Proportional to 620,522.79, 929,923.02 and 282,737.94

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Solution

The fourth proportional to 620,522.79, 929,923.02 and 282,737.94 is: 423,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,522.79 : 929,923.02 = 282,737.94 : x
  2. Step 2: Convert to fraction form
    620,522.79/929,923.02 = 282,737.94/x
  3. Step 3: Cross multiply
    620,522.79x = 929,923.02 × 282,737.94
  4. Step 4: Simplify right side
    620,522.79x = 262,924,519,033.38
  5. Step 5: Solve for x
    x = 262,924,519,033.38/620,522.79
  6. Step 6: Final answer
    x = 423,714.52

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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.