Home / 352,013.81-528,019.67-304,487.55

Finding the Fourth Proportional to 352,013.81, 528,019.67 and 304,487.55

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Solution

The fourth proportional to 352,013.81, 528,019.67 and 304,487.55 is: 456,730.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,013.81 : 528,019.67 = 304,487.55 : x
  2. Step 2: Convert to fraction form
    352,013.81/528,019.67 = 304,487.55/x
  3. Step 3: Cross multiply
    352,013.81x = 528,019.67 × 304,487.55
  4. Step 4: Simplify right side
    352,013.81x = 160,775,416,431.33
  5. Step 5: Solve for x
    x = 160,775,416,431.33/352,013.81
  6. Step 6: Final answer
    x = 456,730.43

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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.