Home / 474,901.47-655,365.07-257,112.43

Finding the Fourth Proportional to 474,901.47, 655,365.07 and 257,112.43

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Solution

The fourth proportional to 474,901.47, 655,365.07 and 257,112.43 is: 354,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,901.47 : 655,365.07 = 257,112.43 : x
  2. Step 2: Convert to fraction form
    474,901.47/655,365.07 = 257,112.43/x
  3. Step 3: Cross multiply
    474,901.47x = 655,365.07 × 257,112.43
  4. Step 4: Simplify right side
    474,901.47x = 168,502,505,684.82
  5. Step 5: Solve for x
    x = 168,502,505,684.82/474,901.47
  6. Step 6: Final answer
    x = 354,815.72

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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.