Home / 989,250.17-1,365,311.97-626,707.67

Finding the Fourth Proportional to 989,250.17, 1,365,311.97 and 626,707.67

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Solution

The fourth proportional to 989,250.17, 1,365,311.97 and 626,707.67 is: 864,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,250.17 : 1,365,311.97 = 626,707.67 : x
  2. Step 2: Convert to fraction form
    989,250.17/1,365,311.97 = 626,707.67/x
  3. Step 3: Cross multiply
    989,250.17x = 1,365,311.97 × 626,707.67
  4. Step 4: Simplify right side
    989,250.17x = 855,651,476,715.25
  5. Step 5: Solve for x
    x = 855,651,476,715.25/989,250.17
  6. Step 6: Final answer
    x = 864,949.54

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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.