Home / 744,009.20-1,026,703.98-404,477.60

Finding the Fourth Proportional to 744,009.20, 1,026,703.98 and 404,477.60

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Solution

The fourth proportional to 744,009.20, 1,026,703.98 and 404,477.60 is: 558,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,009.20 : 1,026,703.98 = 404,477.60 : x
  2. Step 2: Convert to fraction form
    744,009.20/1,026,703.98 = 404,477.60/x
  3. Step 3: Cross multiply
    744,009.20x = 1,026,703.98 × 404,477.60
  4. Step 4: Simplify right side
    744,009.20x = 415,278,761,740.85
  5. Step 5: Solve for x
    x = 415,278,761,740.85/744,009.20
  6. Step 6: Final answer
    x = 558,163.48

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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.