Home / 478,936.08-660,881.16-264,063.36

Finding the Fourth Proportional to 478,936.08, 660,881.16 and 264,063.36

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Solution

The fourth proportional to 478,936.08, 660,881.16 and 264,063.36 is: 364,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,936.08 : 660,881.16 = 264,063.36 : x
  2. Step 2: Convert to fraction form
    478,936.08/660,881.16 = 264,063.36/x
  3. Step 3: Cross multiply
    478,936.08x = 660,881.16 × 264,063.36
  4. Step 4: Simplify right side
    478,936.08x = 174,514,499,670.30
  5. Step 5: Solve for x
    x = 174,514,499,670.30/478,936.08
  6. Step 6: Final answer
    x = 364,379.52

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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.