Home / 965,021.51-1,331,703.99-557,109.56

Finding the Fourth Proportional to 965,021.51, 1,331,703.99 and 557,109.56

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Solution

The fourth proportional to 965,021.51, 1,331,703.99 and 557,109.56 is: 768,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,021.51 : 1,331,703.99 = 557,109.56 : x
  2. Step 2: Convert to fraction form
    965,021.51/1,331,703.99 = 557,109.56/x
  3. Step 3: Cross multiply
    965,021.51x = 1,331,703.99 × 557,109.56
  4. Step 4: Simplify right side
    965,021.51x = 741,905,027,248.40
  5. Step 5: Solve for x
    x = 741,905,027,248.40/965,021.51
  6. Step 6: Final answer
    x = 768,796.36

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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.