Home / 478,239.11-659,962.00-263,399.16

Finding the Fourth Proportional to 478,239.11, 659,962.00 and 263,399.16

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Solution

The fourth proportional to 478,239.11, 659,962.00 and 263,399.16 is: 363,486.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,239.11 : 659,962.00 = 263,399.16 : x
  2. Step 2: Convert to fraction form
    478,239.11/659,962.00 = 263,399.16/x
  3. Step 3: Cross multiply
    478,239.11x = 659,962.00 × 263,399.16
  4. Step 4: Simplify right side
    478,239.11x = 173,833,437,754.41
  5. Step 5: Solve for x
    x = 173,833,437,754.41/478,239.11
  6. Step 6: Final answer
    x = 363,486.45

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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.