Home / 782,007.48-1,078,250.88-626,834.70

Finding the Fourth Proportional to 782,007.48, 1,078,250.88 and 626,834.70

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Solution

The fourth proportional to 782,007.48, 1,078,250.88 and 626,834.70 is: 864,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,007.48 : 1,078,250.88 = 626,834.70 : x
  2. Step 2: Convert to fraction form
    782,007.48/1,078,250.88 = 626,834.70/x
  3. Step 3: Cross multiply
    782,007.48x = 1,078,250.88 × 626,834.70
  4. Step 4: Simplify right side
    782,007.48x = 675,885,066,889.54
  5. Step 5: Solve for x
    x = 675,885,066,889.54/782,007.48
  6. Step 6: Final answer
    x = 864,294.89

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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.