Home / 726,715.50-1,001,828.04-511,186.62

Finding the Fourth Proportional to 726,715.50, 1,001,828.04 and 511,186.62

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Solution

The fourth proportional to 726,715.50, 1,001,828.04 and 511,186.62 is: 704,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,715.50 : 1,001,828.04 = 511,186.62 : x
  2. Step 2: Convert to fraction form
    726,715.50/1,001,828.04 = 511,186.62/x
  3. Step 3: Cross multiply
    726,715.50x = 1,001,828.04 × 511,186.62
  4. Step 4: Simplify right side
    726,715.50x = 512,121,089,588.83
  5. Step 5: Solve for x
    x = 512,121,089,588.83/726,715.50
  6. Step 6: Final answer
    x = 704,706.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.