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Finding the Fourth Proportional to 528,097.70, 792,049.35 and 328,060.10

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Solution

The fourth proportional to 528,097.70, 792,049.35 and 328,060.10 is: 492,029.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,097.70 : 792,049.35 = 328,060.10 : x
  2. Step 2: Convert to fraction form
    528,097.70/792,049.35 = 328,060.10/x
  3. Step 3: Cross multiply
    528,097.70x = 792,049.35 × 328,060.10
  4. Step 4: Simplify right side
    528,097.70x = 259,839,788,965.94
  5. Step 5: Solve for x
    x = 259,839,788,965.94/528,097.70
  6. Step 6: Final answer
    x = 492,029.77

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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.