Home / 631,260.81-946,894.82-210,535.47

Finding the Fourth Proportional to 631,260.81, 946,894.82 and 210,535.47

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Solution

The fourth proportional to 631,260.81, 946,894.82 and 210,535.47 is: 315,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,260.81 : 946,894.82 = 210,535.47 : x
  2. Step 2: Convert to fraction form
    631,260.81/946,894.82 = 210,535.47/x
  3. Step 3: Cross multiply
    631,260.81x = 946,894.82 × 210,535.47
  4. Step 4: Simplify right side
    631,260.81x = 199,354,944,916.59
  5. Step 5: Solve for x
    x = 199,354,944,916.59/631,260.81
  6. Step 6: Final answer
    x = 315,804.41

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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.