Home / 631,152.47-946,737.07-210,428.48

Finding the Fourth Proportional to 631,152.47, 946,737.07 and 210,428.48

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Solution

The fourth proportional to 631,152.47, 946,737.07 and 210,428.48 is: 315,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,152.47 : 946,737.07 = 210,428.48 : x
  2. Step 2: Convert to fraction form
    631,152.47/946,737.07 = 210,428.48/x
  3. Step 3: Cross multiply
    631,152.47x = 946,737.07 × 210,428.48
  4. Step 4: Simplify right side
    631,152.47x = 199,220,442,599.75
  5. Step 5: Solve for x
    x = 199,220,442,599.75/631,152.47
  6. Step 6: Final answer
    x = 315,645.51

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Similar ratio
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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.