Home / 921,404.73-1,382,177.07-314,004.27

Finding the Fourth Proportional to 921,404.73, 1,382,177.07 and 314,004.27

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Solution

The fourth proportional to 921,404.73, 1,382,177.07 and 314,004.27 is: 471,030.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,404.73 : 1,382,177.07 = 314,004.27 : x
  2. Step 2: Convert to fraction form
    921,404.73/1,382,177.07 = 314,004.27/x
  3. Step 3: Cross multiply
    921,404.73x = 1,382,177.07 × 314,004.27
  4. Step 4: Simplify right side
    921,404.73x = 434,009,501,876.09
  5. Step 5: Solve for x
    x = 434,009,501,876.09/921,404.73
  6. Step 6: Final answer
    x = 471,030.25

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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.