Home / 470,812.08-649,733.40-255,966.87

Finding the Fourth Proportional to 470,812.08, 649,733.40 and 255,966.87

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Solution

The fourth proportional to 470,812.08, 649,733.40 and 255,966.87 is: 353,241.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,812.08 : 649,733.40 = 255,966.87 : x
  2. Step 2: Convert to fraction form
    470,812.08/649,733.40 = 255,966.87/x
  3. Step 3: Cross multiply
    470,812.08x = 649,733.40 × 255,966.87
  4. Step 4: Simplify right side
    470,812.08x = 166,310,224,732.46
  5. Step 5: Solve for x
    x = 166,310,224,732.46/470,812.08
  6. Step 6: Final answer
    x = 353,241.20

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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.