Home / 478,837.40-660,799.88-263,985.02

Finding the Fourth Proportional to 478,837.40, 660,799.88 and 263,985.02

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Solution

The fourth proportional to 478,837.40, 660,799.88 and 263,985.02 is: 364,301.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,837.40 : 660,799.88 = 263,985.02 : x
  2. Step 2: Convert to fraction form
    478,837.40/660,799.88 = 263,985.02/x
  3. Step 3: Cross multiply
    478,837.40x = 660,799.88 × 263,985.02
  4. Step 4: Simplify right side
    478,837.40x = 174,441,269,537.80
  5. Step 5: Solve for x
    x = 174,441,269,537.80/478,837.40
  6. Step 6: Final answer
    x = 364,301.68

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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.