Home / 313,748.40-470,622.60-291,605.04

Finding the Fourth Proportional to 313,748.40, 470,622.60 and 291,605.04

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Solution

The fourth proportional to 313,748.40, 470,622.60 and 291,605.04 is: 437,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,748.40 : 470,622.60 = 291,605.04 : x
  2. Step 2: Convert to fraction form
    313,748.40/470,622.60 = 291,605.04/x
  3. Step 3: Cross multiply
    313,748.40x = 470,622.60 × 291,605.04
  4. Step 4: Simplify right side
    313,748.40x = 137,235,922,097.90
  5. Step 5: Solve for x
    x = 137,235,922,097.90/313,748.40
  6. Step 6: Final answer
    x = 437,407.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.