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Finding the Fourth Proportional to 520,027, 778,786.62 and 253,125.52

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Solution

The fourth proportional to 520,027, 778,786.62 and 253,125.52 is: 379,077.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,027 : 778,786.62 = 253,125.52 : x
  2. Step 2: Convert to fraction form
    520,027/778,786.62 = 253,125.52/x
  3. Step 3: Cross multiply
    520,027x = 778,786.62 × 253,125.52
  4. Step 4: Simplify right side
    520,027x = 197,130,768,156.54
  5. Step 5: Solve for x
    x = 197,130,768,156.54/520,027
  6. Step 6: Final answer
    x = 379,077.95

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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.