Home / 480,417.13-720,825.83-210,738.97

Finding the Fourth Proportional to 480,417.13, 720,825.83 and 210,738.97

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Solution

The fourth proportional to 480,417.13, 720,825.83 and 210,738.97 is: 316,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,417.13 : 720,825.83 = 210,738.97 : x
  2. Step 2: Convert to fraction form
    480,417.13/720,825.83 = 210,738.97/x
  3. Step 3: Cross multiply
    480,417.13x = 720,825.83 × 210,738.97
  4. Step 4: Simplify right side
    480,417.13x = 151,906,090,731.97
  5. Step 5: Solve for x
    x = 151,906,090,731.97/480,417.13
  6. Step 6: Final answer
    x = 316,196.24

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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.