Home / 690,578.06-953,144.78-464,092.34

Finding the Fourth Proportional to 690,578.06, 953,144.78 and 464,092.34

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Solution

The fourth proportional to 690,578.06, 953,144.78 and 464,092.34 is: 640,546.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,578.06 : 953,144.78 = 464,092.34 : x
  2. Step 2: Convert to fraction form
    690,578.06/953,144.78 = 464,092.34/x
  3. Step 3: Cross multiply
    690,578.06x = 953,144.78 × 464,092.34
  4. Step 4: Simplify right side
    690,578.06x = 442,347,184,222.80
  5. Step 5: Solve for x
    x = 442,347,184,222.80/690,578.06
  6. Step 6: Final answer
    x = 640,546.25

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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.