Home / 475,080.07-655,675.72-291,286.13

Finding the Fourth Proportional to 475,080.07, 655,675.72 and 291,286.13

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Solution

The fourth proportional to 475,080.07, 655,675.72 and 291,286.13 is: 402,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,080.07 : 655,675.72 = 291,286.13 : x
  2. Step 2: Convert to fraction form
    475,080.07/655,675.72 = 291,286.13/x
  3. Step 3: Cross multiply
    475,080.07x = 655,675.72 × 291,286.13
  4. Step 4: Simplify right side
    475,080.07x = 190,989,239,735.39
  5. Step 5: Solve for x
    x = 190,989,239,735.39/475,080.07
  6. Step 6: Final answer
    x = 402,014.85

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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.