Home / 731,340.63-1,009,279.81-404,648.33

Finding the Fourth Proportional to 731,340.63, 1,009,279.81 and 404,648.33

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Solution

The fourth proportional to 731,340.63, 1,009,279.81 and 404,648.33 is: 558,431.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,340.63 : 1,009,279.81 = 404,648.33 : x
  2. Step 2: Convert to fraction form
    731,340.63/1,009,279.81 = 404,648.33/x
  3. Step 3: Cross multiply
    731,340.63x = 1,009,279.81 × 404,648.33
  4. Step 4: Simplify right side
    731,340.63x = 408,403,385,078.63
  5. Step 5: Solve for x
    x = 408,403,385,078.63/731,340.63
  6. Step 6: Final answer
    x = 558,431.15

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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.