Home / 478,988.37-660,999.08-261,196.52

Finding the Fourth Proportional to 478,988.37, 660,999.08 and 261,196.52

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Solution

The fourth proportional to 478,988.37, 660,999.08 and 261,196.52 is: 360,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,988.37 : 660,999.08 = 261,196.52 : x
  2. Step 2: Convert to fraction form
    478,988.37/660,999.08 = 261,196.52/x
  3. Step 3: Cross multiply
    478,988.37x = 660,999.08 × 261,196.52
  4. Step 4: Simplify right side
    478,988.37x = 172,650,654,808.22
  5. Step 5: Solve for x
    x = 172,650,654,808.22/478,988.37
  6. Step 6: Final answer
    x = 360,448.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.