Home / 666,848.60-999,539.04-329,389.64

Finding the Fourth Proportional to 666,848.60, 999,539.04 and 329,389.64

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Solution

The fourth proportional to 666,848.60, 999,539.04 and 329,389.64 is: 493,721.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,848.60 : 999,539.04 = 329,389.64 : x
  2. Step 2: Convert to fraction form
    666,848.60/999,539.04 = 329,389.64/x
  3. Step 3: Cross multiply
    666,848.60x = 999,539.04 × 329,389.64
  4. Step 4: Simplify right side
    666,848.60x = 329,237,804,551.55
  5. Step 5: Solve for x
    x = 329,237,804,551.55/666,848.60
  6. Step 6: Final answer
    x = 493,721.97

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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.