Home / 884,888.45-1,327,775.69-405,115.32

Finding the Fourth Proportional to 884,888.45, 1,327,775.69 and 405,115.32

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Solution

The fourth proportional to 884,888.45, 1,327,775.69 and 405,115.32 is: 607,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,888.45 : 1,327,775.69 = 405,115.32 : x
  2. Step 2: Convert to fraction form
    884,888.45/1,327,775.69 = 405,115.32/x
  3. Step 3: Cross multiply
    884,888.45x = 1,327,775.69 × 405,115.32
  4. Step 4: Simplify right side
    884,888.45x = 537,902,279,534.52
  5. Step 5: Solve for x
    x = 537,902,279,534.52/884,888.45
  6. Step 6: Final answer
    x = 607,875.81

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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.