Home / 874,738.02-1,207,133.20-492,887.82

Finding the Fourth Proportional to 874,738.02, 1,207,133.20 and 492,887.82

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Solution

The fourth proportional to 874,738.02, 1,207,133.20 and 492,887.82 is: 680,182.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,738.02 : 1,207,133.20 = 492,887.82 : x
  2. Step 2: Convert to fraction form
    874,738.02/1,207,133.20 = 492,887.82/x
  3. Step 3: Cross multiply
    874,738.02x = 1,207,133.20 × 492,887.82
  4. Step 4: Simplify right side
    874,738.02x = 594,981,251,397.62
  5. Step 5: Solve for x
    x = 594,981,251,397.62/874,738.02
  6. Step 6: Final answer
    x = 680,182.22

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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.