Home / 572,033.03-789,414.71-330,336.72

Finding the Fourth Proportional to 572,033.03, 789,414.71 and 330,336.72

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Solution

The fourth proportional to 572,033.03, 789,414.71 and 330,336.72 is: 455,869.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,033.03 : 789,414.71 = 330,336.72 : x
  2. Step 2: Convert to fraction form
    572,033.03/789,414.71 = 330,336.72/x
  3. Step 3: Cross multiply
    572,033.03x = 789,414.71 × 330,336.72
  4. Step 4: Simplify right side
    572,033.03x = 260,772,664,369.47
  5. Step 5: Solve for x
    x = 260,772,664,369.47/572,033.03
  6. Step 6: Final answer
    x = 455,869.95

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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.