Home / 807,985.12-1,212,027.36-334,707.52

Finding the Fourth Proportional to 807,985.12, 1,212,027.36 and 334,707.52

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Solution

The fourth proportional to 807,985.12, 1,212,027.36 and 334,707.52 is: 502,081.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,985.12 : 1,212,027.36 = 334,707.52 : x
  2. Step 2: Convert to fraction form
    807,985.12/1,212,027.36 = 334,707.52/x
  3. Step 3: Cross multiply
    807,985.12x = 1,212,027.36 × 334,707.52
  4. Step 4: Simplify right side
    807,985.12x = 405,674,671,837.75
  5. Step 5: Solve for x
    x = 405,674,671,837.75/807,985.12
  6. Step 6: Final answer
    x = 502,081.86

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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.