Home / 746,138.29-1,028,939.34-473,733.27

Finding the Fourth Proportional to 746,138.29, 1,028,939.34 and 473,733.27

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Solution

The fourth proportional to 746,138.29, 1,028,939.34 and 473,733.27 is: 653,287.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,138.29 : 1,028,939.34 = 473,733.27 : x
  2. Step 2: Convert to fraction form
    746,138.29/1,028,939.34 = 473,733.27/x
  3. Step 3: Cross multiply
    746,138.29x = 1,028,939.34 × 473,733.27
  4. Step 4: Simplify right side
    746,138.29x = 487,442,796,087.82
  5. Step 5: Solve for x
    x = 487,442,796,087.82/746,138.29
  6. Step 6: Final answer
    x = 653,287.47

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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.