Home / 528,345.56-792,025.29-208,500.09

Finding the Fourth Proportional to 528,345.56, 792,025.29 and 208,500.09

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Solution

The fourth proportional to 528,345.56, 792,025.29 and 208,500.09 is: 312,555.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,345.56 : 792,025.29 = 208,500.09 : x
  2. Step 2: Convert to fraction form
    528,345.56/792,025.29 = 208,500.09/x
  3. Step 3: Cross multiply
    528,345.56x = 792,025.29 × 208,500.09
  4. Step 4: Simplify right side
    528,345.56x = 165,137,344,247.28
  5. Step 5: Solve for x
    x = 165,137,344,247.28/528,345.56
  6. Step 6: Final answer
    x = 312,555.57

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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.