Home / 946,127.51-1,419,417.26-315,046.79

Finding the Fourth Proportional to 946,127.51, 1,419,417.26 and 315,046.79

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Solution

The fourth proportional to 946,127.51, 1,419,417.26 and 315,046.79 is: 472,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,127.51 : 1,419,417.26 = 315,046.79 : x
  2. Step 2: Convert to fraction form
    946,127.51/1,419,417.26 = 315,046.79/x
  3. Step 3: Cross multiply
    946,127.51x = 1,419,417.26 × 315,046.79
  4. Step 4: Simplify right side
    946,127.51x = 447,182,854,588.33
  5. Step 5: Solve for x
    x = 447,182,854,588.33/946,127.51
  6. Step 6: Final answer
    x = 472,645.44

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Double scale
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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.