Home / 421,844.71-582,417.39-376,444.63

Finding the Fourth Proportional to 421,844.71, 582,417.39 and 376,444.63

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Solution

The fourth proportional to 421,844.71, 582,417.39 and 376,444.63 is: 519,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,844.71 : 582,417.39 = 376,444.63 : x
  2. Step 2: Convert to fraction form
    421,844.71/582,417.39 = 376,444.63/x
  3. Step 3: Cross multiply
    421,844.71x = 582,417.39 × 376,444.63
  4. Step 4: Simplify right side
    421,844.71x = 219,247,898,884.12
  5. Step 5: Solve for x
    x = 219,247,898,884.12/421,844.71
  6. Step 6: Final answer
    x = 519,736.04

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1.5x scale

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.