Home / 738,798.86-1,108,106.57-199,097.34

Finding the Fourth Proportional to 738,798.86, 1,108,106.57 and 199,097.34

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Solution

The fourth proportional to 738,798.86, 1,108,106.57 and 199,097.34 is: 298,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,798.86 : 1,108,106.57 = 199,097.34 : x
  2. Step 2: Convert to fraction form
    738,798.86/1,108,106.57 = 199,097.34/x
  3. Step 3: Cross multiply
    738,798.86x = 1,108,106.57 × 199,097.34
  4. Step 4: Simplify right side
    738,798.86x = 220,621,071,021.27
  5. Step 5: Solve for x
    x = 220,621,071,021.27/738,798.86
  6. Step 6: Final answer
    x = 298,621.29

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Double scale
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1.5x scale

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.