Home / 528,733.72-792,828.42-213,105.88

Finding the Fourth Proportional to 528,733.72, 792,828.42 and 213,105.88

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Solution

The fourth proportional to 528,733.72, 792,828.42 and 213,105.88 is: 319,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,733.72 : 792,828.42 = 213,105.88 : x
  2. Step 2: Convert to fraction form
    528,733.72/792,828.42 = 213,105.88/x
  3. Step 3: Cross multiply
    528,733.72x = 792,828.42 × 213,105.88
  4. Step 4: Simplify right side
    528,733.72x = 168,956,398,133.11
  5. Step 5: Solve for x
    x = 168,956,398,133.11/528,733.72
  6. Step 6: Final answer
    x = 319,549.13

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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.