Home / 478,263.13-660,032.96-263,403.14

Finding the Fourth Proportional to 478,263.13, 660,032.96 and 263,403.14

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Solution

The fourth proportional to 478,263.13, 660,032.96 and 263,403.14 is: 363,512.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,263.13 : 660,032.96 = 263,403.14 : x
  2. Step 2: Convert to fraction form
    478,263.13/660,032.96 = 263,403.14/x
  3. Step 3: Cross multiply
    478,263.13x = 660,032.96 × 263,403.14
  4. Step 4: Simplify right side
    478,263.13x = 173,854,749,550.31
  5. Step 5: Solve for x
    x = 173,854,749,550.31/478,263.13
  6. Step 6: Final answer
    x = 363,512.76

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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.