Home / 528,027.41-792,434.60-212,486.69

Finding the Fourth Proportional to 528,027.41, 792,434.60 and 212,486.69

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Solution

The fourth proportional to 528,027.41, 792,434.60 and 212,486.69 is: 318,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,027.41 : 792,434.60 = 212,486.69 : x
  2. Step 2: Convert to fraction form
    528,027.41/792,434.60 = 212,486.69/x
  3. Step 3: Cross multiply
    528,027.41x = 792,434.60 × 212,486.69
  4. Step 4: Simplify right side
    528,027.41x = 168,381,805,195.47
  5. Step 5: Solve for x
    x = 168,381,805,195.47/528,027.41
  6. Step 6: Final answer
    x = 318,888.38

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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.