Home / 938,390.97-1,407,573.31-369,777.02

Finding the Fourth Proportional to 938,390.97, 1,407,573.31 and 369,777.02

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Solution

The fourth proportional to 938,390.97, 1,407,573.31 and 369,777.02 is: 554,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,390.97 : 1,407,573.31 = 369,777.02 : x
  2. Step 2: Convert to fraction form
    938,390.97/1,407,573.31 = 369,777.02/x
  3. Step 3: Cross multiply
    938,390.97x = 1,407,573.31 × 369,777.02
  4. Step 4: Simplify right side
    938,390.97x = 520,488,256,041.03
  5. Step 5: Solve for x
    x = 520,488,256,041.03/938,390.97
  6. Step 6: Final answer
    x = 554,660.34

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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.