Home / 470,012.63-648,618.23-268,808.63

Finding the Fourth Proportional to 470,012.63, 648,618.23 and 268,808.63

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Solution

The fourth proportional to 470,012.63, 648,618.23 and 268,808.63 is: 370,956.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,012.63 : 648,618.23 = 268,808.63 : x
  2. Step 2: Convert to fraction form
    470,012.63/648,618.23 = 268,808.63/x
  3. Step 3: Cross multiply
    470,012.63x = 648,618.23 × 268,808.63
  4. Step 4: Simplify right side
    470,012.63x = 174,354,175,228.26
  5. Step 5: Solve for x
    x = 174,354,175,228.26/470,012.63
  6. Step 6: Final answer
    x = 370,956.37

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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.