Home / 475,001.21-655,477.38-260,099.78

Finding the Fourth Proportional to 475,001.21, 655,477.38 and 260,099.78

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Solution

The fourth proportional to 475,001.21, 655,477.38 and 260,099.78 is: 358,924.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,001.21 : 655,477.38 = 260,099.78 : x
  2. Step 2: Convert to fraction form
    475,001.21/655,477.38 = 260,099.78/x
  3. Step 3: Cross multiply
    475,001.21x = 655,477.38 × 260,099.78
  4. Step 4: Simplify right side
    475,001.21x = 170,489,519,055.59
  5. Step 5: Solve for x
    x = 170,489,519,055.59/475,001.21
  6. Step 6: Final answer
    x = 358,924.39

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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.