Home / 907,623.36-1,361,422.55-309,001.97

Finding the Fourth Proportional to 907,623.36, 1,361,422.55 and 309,001.97

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Solution

The fourth proportional to 907,623.36, 1,361,422.55 and 309,001.97 is: 463,498.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,623.36 : 1,361,422.55 = 309,001.97 : x
  2. Step 2: Convert to fraction form
    907,623.36/1,361,422.55 = 309,001.97/x
  3. Step 3: Cross multiply
    907,623.36x = 1,361,422.55 × 309,001.97
  4. Step 4: Simplify right side
    907,623.36x = 420,682,254,128.49
  5. Step 5: Solve for x
    x = 420,682,254,128.49/907,623.36
  6. Step 6: Final answer
    x = 463,498.71

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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.