Home / 879,449.82-1,319,063.85-374,212.86

Finding the Fourth Proportional to 879,449.82, 1,319,063.85 and 374,212.86

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Solution

The fourth proportional to 879,449.82, 1,319,063.85 and 374,212.86 is: 561,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,449.82 : 1,319,063.85 = 374,212.86 : x
  2. Step 2: Convert to fraction form
    879,449.82/1,319,063.85 = 374,212.86/x
  3. Step 3: Cross multiply
    879,449.82x = 1,319,063.85 × 374,212.86
  4. Step 4: Simplify right side
    879,449.82x = 493,610,655,831.11
  5. Step 5: Solve for x
    x = 493,610,655,831.11/879,449.82
  6. Step 6: Final answer
    x = 561,272.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.