Home / 989,814.75-1,365,948-537,105.75

Finding the Fourth Proportional to 989,814.75, 1,365,948 and 537,105.75

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Solution

The fourth proportional to 989,814.75, 1,365,948 and 537,105.75 is: 741,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,814.75 : 1,365,948 = 537,105.75 : x
  2. Step 2: Convert to fraction form
    989,814.75/1,365,948 = 537,105.75/x
  3. Step 3: Cross multiply
    989,814.75x = 1,365,948 × 537,105.75
  4. Step 4: Simplify right side
    989,814.75x = 733,658,525,001
  5. Step 5: Solve for x
    x = 733,658,525,001/989,814.75
  6. Step 6: Final answer
    x = 741,207.91

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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.