Home / 470,013.50-648,619.44-268,809.50

Finding the Fourth Proportional to 470,013.50, 648,619.44 and 268,809.50

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Solution

The fourth proportional to 470,013.50, 648,619.44 and 268,809.50 is: 370,957.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,013.50 : 648,619.44 = 268,809.50 : x
  2. Step 2: Convert to fraction form
    470,013.50/648,619.44 = 268,809.50/x
  3. Step 3: Cross multiply
    470,013.50x = 648,619.44 × 268,809.50
  4. Step 4: Simplify right side
    470,013.50x = 174,355,067,356.68
  5. Step 5: Solve for x
    x = 174,355,067,356.68/470,013.50
  6. Step 6: Final answer
    x = 370,957.57

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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.