Home / 470,825.70-649,746.86-255,966.58

Finding the Fourth Proportional to 470,825.70, 649,746.86 and 255,966.58

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Solution

The fourth proportional to 470,825.70, 649,746.86 and 255,966.58 is: 353,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,825.70 : 649,746.86 = 255,966.58 : x
  2. Step 2: Convert to fraction form
    470,825.70/649,746.86 = 255,966.58/x
  3. Step 3: Cross multiply
    470,825.70x = 649,746.86 × 255,966.58
  4. Step 4: Simplify right side
    470,825.70x = 166,313,481,619.94
  5. Step 5: Solve for x
    x = 166,313,481,619.94/470,825.70
  6. Step 6: Final answer
    x = 353,237.90

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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.