Home / 623,956.42-860,985.78-352,008.43

Finding the Fourth Proportional to 623,956.42, 860,985.78 and 352,008.43

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Solution

The fourth proportional to 623,956.42, 860,985.78 and 352,008.43 is: 485,729.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,956.42 : 860,985.78 = 352,008.43 : x
  2. Step 2: Convert to fraction form
    623,956.42/860,985.78 = 352,008.43/x
  3. Step 3: Cross multiply
    623,956.42x = 860,985.78 × 352,008.43
  4. Step 4: Simplify right side
    623,956.42x = 303,074,252,670.13
  5. Step 5: Solve for x
    x = 303,074,252,670.13/623,956.42
  6. Step 6: Final answer
    x = 485,729.84

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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.