Home / 728,957.98-1,093,312.34-196,354.45

Finding the Fourth Proportional to 728,957.98, 1,093,312.34 and 196,354.45

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Solution

The fourth proportional to 728,957.98, 1,093,312.34 and 196,354.45 is: 294,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,957.98 : 1,093,312.34 = 196,354.45 : x
  2. Step 2: Convert to fraction form
    728,957.98/1,093,312.34 = 196,354.45/x
  3. Step 3: Cross multiply
    728,957.98x = 1,093,312.34 × 196,354.45
  4. Step 4: Simplify right side
    728,957.98x = 214,676,740,220.19
  5. Step 5: Solve for x
    x = 214,676,740,220.19/728,957.98
  6. Step 6: Final answer
    x = 294,498.10

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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.