Home / 901,985.16-1,244,686.35-494,005.75

Finding the Fourth Proportional to 901,985.16, 1,244,686.35 and 494,005.75

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Solution

The fourth proportional to 901,985.16, 1,244,686.35 and 494,005.75 is: 681,698.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,985.16 : 1,244,686.35 = 494,005.75 : x
  2. Step 2: Convert to fraction form
    901,985.16/1,244,686.35 = 494,005.75/x
  3. Step 3: Cross multiply
    901,985.16x = 1,244,686.35 × 494,005.75
  4. Step 4: Simplify right side
    901,985.16x = 614,882,213,846.51
  5. Step 5: Solve for x
    x = 614,882,213,846.51/901,985.16
  6. Step 6: Final answer
    x = 681,698.81

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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.