Home / 475,127.60-655,150.69-302,772.56

Finding the Fourth Proportional to 475,127.60, 655,150.69 and 302,772.56

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Solution

The fourth proportional to 475,127.60, 655,150.69 and 302,772.56 is: 417,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,127.60 : 655,150.69 = 302,772.56 : x
  2. Step 2: Convert to fraction form
    475,127.60/655,150.69 = 302,772.56/x
  3. Step 3: Cross multiply
    475,127.60x = 655,150.69 × 302,772.56
  4. Step 4: Simplify right side
    475,127.60x = 198,361,650,968.16
  5. Step 5: Solve for x
    x = 198,361,650,968.16/475,127.60
  6. Step 6: Final answer
    x = 417,491.33

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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.