Home / 726,302.69-1,089,629.09-227,666.69

Finding the Fourth Proportional to 726,302.69, 1,089,629.09 and 227,666.69

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Solution

The fourth proportional to 726,302.69, 1,089,629.09 and 227,666.69 is: 341,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,302.69 : 1,089,629.09 = 227,666.69 : x
  2. Step 2: Convert to fraction form
    726,302.69/1,089,629.09 = 227,666.69/x
  3. Step 3: Cross multiply
    726,302.69x = 1,089,629.09 × 227,666.69
  4. Step 4: Simplify right side
    726,302.69x = 248,072,248,248.01
  5. Step 5: Solve for x
    x = 248,072,248,248.01/726,302.69
  6. Step 6: Final answer
    x = 341,554.91

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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.