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Finding the Fourth Proportional to 383,566.80, 576,041.40 and 371,125.20

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Solution

The fourth proportional to 383,566.80, 576,041.40 and 371,125.20 is: 557,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,566.80 : 576,041.40 = 371,125.20 : x
  2. Step 2: Convert to fraction form
    383,566.80/576,041.40 = 371,125.20/x
  3. Step 3: Cross multiply
    383,566.80x = 576,041.40 × 371,125.20
  4. Step 4: Simplify right side
    383,566.80x = 213,783,479,783.28
  5. Step 5: Solve for x
    x = 213,783,479,783.28/383,566.80
  6. Step 6: Final answer
    x = 557,356.58

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1.5x scale

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.