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Finding the Fourth Proportional to 383,952.66, 575,480.55 and 288,877.39

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Solution

The fourth proportional to 383,952.66, 575,480.55 and 288,877.39 is: 432,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,952.66 : 575,480.55 = 288,877.39 : x
  2. Step 2: Convert to fraction form
    383,952.66/575,480.55 = 288,877.39/x
  3. Step 3: Cross multiply
    383,952.66x = 575,480.55 × 288,877.39
  4. Step 4: Simplify right side
    383,952.66x = 166,243,317,299.42
  5. Step 5: Solve for x
    x = 166,243,317,299.42/383,952.66
  6. Step 6: Final answer
    x = 432,978.69

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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.