Home / 872,222.08-1,308,333.12-273,188.20

Finding the Fourth Proportional to 872,222.08, 1,308,333.12 and 273,188.20

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Solution

The fourth proportional to 872,222.08, 1,308,333.12 and 273,188.20 is: 409,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,222.08 : 1,308,333.12 = 273,188.20 : x
  2. Step 2: Convert to fraction form
    872,222.08/1,308,333.12 = 273,188.20/x
  3. Step 3: Cross multiply
    872,222.08x = 1,308,333.12 × 273,188.20
  4. Step 4: Simplify right side
    872,222.08x = 357,421,170,053.18
  5. Step 5: Solve for x
    x = 357,421,170,053.18/872,222.08
  6. Step 6: Final answer
    x = 409,782.30

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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.