Home / 706,878.90-1,059,967.98-251,401.86

Finding the Fourth Proportional to 706,878.90, 1,059,967.98 and 251,401.86

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Solution

The fourth proportional to 706,878.90, 1,059,967.98 and 251,401.86 is: 376,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,878.90 : 1,059,967.98 = 251,401.86 : x
  2. Step 2: Convert to fraction form
    706,878.90/1,059,967.98 = 251,401.86/x
  3. Step 3: Cross multiply
    706,878.90x = 1,059,967.98 × 251,401.86
  4. Step 4: Simplify right side
    706,878.90x = 266,477,921,712.44
  5. Step 5: Solve for x
    x = 266,477,921,712.44/706,878.90
  6. Step 6: Final answer
    x = 376,978.18

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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.