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Finding the Fourth Proportional to 504,648.53, 758,281.34 and 379,468.29

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Solution

The fourth proportional to 504,648.53, 758,281.34 and 379,468.29 is: 570,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,648.53 : 758,281.34 = 379,468.29 : x
  2. Step 2: Convert to fraction form
    504,648.53/758,281.34 = 379,468.29/x
  3. Step 3: Cross multiply
    504,648.53x = 758,281.34 × 379,468.29
  4. Step 4: Simplify right side
    504,648.53x = 287,743,723,428.71
  5. Step 5: Solve for x
    x = 287,743,723,428.71/504,648.53
  6. Step 6: Final answer
    x = 570,186.40

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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.