Home / 470,271.25-649,172.50-317,516.14

Finding the Fourth Proportional to 470,271.25, 649,172.50 and 317,516.14

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Solution

The fourth proportional to 470,271.25, 649,172.50 and 317,516.14 is: 438,306.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,271.25 : 649,172.50 = 317,516.14 : x
  2. Step 2: Convert to fraction form
    470,271.25/649,172.50 = 317,516.14/x
  3. Step 3: Cross multiply
    470,271.25x = 649,172.50 × 317,516.14
  4. Step 4: Simplify right side
    470,271.25x = 206,122,744,119.64
  5. Step 5: Solve for x
    x = 206,122,744,119.64/470,271.25
  6. Step 6: Final answer
    x = 438,306.07

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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.