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Finding the Fourth Proportional to 507,047.47, 699,733.80 and 277,600.93

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Solution

The fourth proportional to 507,047.47, 699,733.80 and 277,600.93 is: 383,093.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,047.47 : 699,733.80 = 277,600.93 : x
  2. Step 2: Convert to fraction form
    507,047.47/699,733.80 = 277,600.93/x
  3. Step 3: Cross multiply
    507,047.47x = 699,733.80 × 277,600.93
  4. Step 4: Simplify right side
    507,047.47x = 194,246,753,632.43
  5. Step 5: Solve for x
    x = 194,246,753,632.43/507,047.47
  6. Step 6: Final answer
    x = 383,093.82

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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.