Home / 623,399.36-860,247.94-351,476.96

Finding the Fourth Proportional to 623,399.36, 860,247.94 and 351,476.96

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Solution

The fourth proportional to 623,399.36, 860,247.94 and 351,476.96 is: 485,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,399.36 : 860,247.94 = 351,476.96 : x
  2. Step 2: Convert to fraction form
    623,399.36/860,247.94 = 351,476.96/x
  3. Step 3: Cross multiply
    623,399.36x = 860,247.94 × 351,476.96
  4. Step 4: Simplify right side
    623,399.36x = 302,357,330,797.46
  5. Step 5: Solve for x
    x = 302,357,330,797.46/623,399.36
  6. Step 6: Final answer
    x = 485,013.86

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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.