Home / 770,635.49-1,062,774.51-661,705.65

Finding the Fourth Proportional to 770,635.49, 1,062,774.51 and 661,705.65

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Solution

The fourth proportional to 770,635.49, 1,062,774.51 and 661,705.65 is: 912,550.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,635.49 : 1,062,774.51 = 661,705.65 : x
  2. Step 2: Convert to fraction form
    770,635.49/1,062,774.51 = 661,705.65/x
  3. Step 3: Cross multiply
    770,635.49x = 1,062,774.51 × 661,705.65
  4. Step 4: Simplify right side
    770,635.49x = 703,243,897,942.98
  5. Step 5: Solve for x
    x = 703,243,897,942.98/770,635.49
  6. Step 6: Final answer
    x = 912,550.63

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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.