Home / 723,065-1,084,975.74-525,021.32

Finding the Fourth Proportional to 723,065, 1,084,975.74 and 525,021.32

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Solution

The fourth proportional to 723,065, 1,084,975.74 and 525,021.32 is: 787,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,065 : 1,084,975.74 = 525,021.32 : x
  2. Step 2: Convert to fraction form
    723,065/1,084,975.74 = 525,021.32/x
  3. Step 3: Cross multiply
    723,065x = 1,084,975.74 × 525,021.32
  4. Step 4: Simplify right side
    723,065x = 569,635,395,182.78
  5. Step 5: Solve for x
    x = 569,635,395,182.78/723,065
  6. Step 6: Final answer
    x = 787,806.62

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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.