Home / 528,004.96-792,088.80-172,933.36

Finding the Fourth Proportional to 528,004.96, 792,088.80 and 172,933.36

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Solution

The fourth proportional to 528,004.96, 792,088.80 and 172,933.36 is: 259,426.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,004.96 : 792,088.80 = 172,933.36 : x
  2. Step 2: Convert to fraction form
    528,004.96/792,088.80 = 172,933.36/x
  3. Step 3: Cross multiply
    528,004.96x = 792,088.80 × 172,933.36
  4. Step 4: Simplify right side
    528,004.96x = 136,978,577,602.37
  5. Step 5: Solve for x
    x = 136,978,577,602.37/528,004.96
  6. Step 6: Final answer
    x = 259,426.69

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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.