Home / 501,153.08-691,582.86-283,358.25

Finding the Fourth Proportional to 501,153.08, 691,582.86 and 283,358.25

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Solution

The fourth proportional to 501,153.08, 691,582.86 and 283,358.25 is: 391,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,153.08 : 691,582.86 = 283,358.25 : x
  2. Step 2: Convert to fraction form
    501,153.08/691,582.86 = 283,358.25/x
  3. Step 3: Cross multiply
    501,153.08x = 691,582.86 × 283,358.25
  4. Step 4: Simplify right side
    501,153.08x = 195,965,708,939.60
  5. Step 5: Solve for x
    x = 195,965,708,939.60/501,153.08
  6. Step 6: Final answer
    x = 391,029.64

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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.