Home / 631,294.84-946,945.80-210,569.56

Finding the Fourth Proportional to 631,294.84, 946,945.80 and 210,569.56

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Solution

The fourth proportional to 631,294.84, 946,945.80 and 210,569.56 is: 315,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,294.84 : 946,945.80 = 210,569.56 : x
  2. Step 2: Convert to fraction form
    631,294.84/946,945.80 = 210,569.56/x
  3. Step 3: Cross multiply
    631,294.84x = 946,945.80 × 210,569.56
  4. Step 4: Simplify right side
    631,294.84x = 199,397,960,449.85
  5. Step 5: Solve for x
    x = 199,397,960,449.85/631,294.84
  6. Step 6: Final answer
    x = 315,855.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.