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Finding the Fourth Proportional to 528,529.80, 793,029.60 and 213,601.80

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Solution

The fourth proportional to 528,529.80, 793,029.60 and 213,601.80 is: 320,497.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,529.80 : 793,029.60 = 213,601.80 : x
  2. Step 2: Convert to fraction form
    528,529.80/793,029.60 = 213,601.80/x
  3. Step 3: Cross multiply
    528,529.80x = 793,029.60 × 213,601.80
  4. Step 4: Simplify right side
    528,529.80x = 169,392,550,013.28
  5. Step 5: Solve for x
    x = 169,392,550,013.28/528,529.80
  6. Step 6: Final answer
    x = 320,497.63

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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.