Home / 936,877.50-1,405,355.13-272,029.50

Finding the Fourth Proportional to 936,877.50, 1,405,355.13 and 272,029.50

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Solution

The fourth proportional to 936,877.50, 1,405,355.13 and 272,029.50 is: 408,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,877.50 : 1,405,355.13 = 272,029.50 : x
  2. Step 2: Convert to fraction form
    936,877.50/1,405,355.13 = 272,029.50/x
  3. Step 3: Cross multiply
    936,877.50x = 1,405,355.13 × 272,029.50
  4. Step 4: Simplify right side
    936,877.50x = 382,298,053,336.34
  5. Step 5: Solve for x
    x = 382,298,053,336.34/936,877.50
  6. Step 6: Final answer
    x = 408,055.54

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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.