Home / 531,855.04-733,958.94-290,137.55

Finding the Fourth Proportional to 531,855.04, 733,958.94 and 290,137.55

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Solution

The fourth proportional to 531,855.04, 733,958.94 and 290,137.55 is: 400,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,855.04 : 733,958.94 = 290,137.55 : x
  2. Step 2: Convert to fraction form
    531,855.04/733,958.94 = 290,137.55/x
  3. Step 3: Cross multiply
    531,855.04x = 733,958.94 × 290,137.55
  4. Step 4: Simplify right side
    531,855.04x = 212,949,044,982.40
  5. Step 5: Solve for x
    x = 212,949,044,982.40/531,855.04
  6. Step 6: Final answer
    x = 400,389.26

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1.5x scale

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.