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Finding the Fourth Proportional to 507,480.63, 700,323.24 and 278,046.61

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Solution

The fourth proportional to 507,480.63, 700,323.24 and 278,046.61 is: 383,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,480.63 : 700,323.24 = 278,046.61 : x
  2. Step 2: Convert to fraction form
    507,480.63/700,323.24 = 278,046.61/x
  3. Step 3: Cross multiply
    507,480.63x = 700,323.24 × 278,046.61
  4. Step 4: Simplify right side
    507,480.63x = 194,722,499,284.60
  5. Step 5: Solve for x
    x = 194,722,499,284.60/507,480.63
  6. Step 6: Final answer
    x = 383,704.30

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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.