Home / 470,829.40-649,750.04-255,964.76

Finding the Fourth Proportional to 470,829.40, 649,750.04 and 255,964.76

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Solution

The fourth proportional to 470,829.40, 649,750.04 and 255,964.76 is: 353,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,829.40 : 649,750.04 = 255,964.76 : x
  2. Step 2: Convert to fraction form
    470,829.40/649,750.04 = 255,964.76/x
  3. Step 3: Cross multiply
    470,829.40x = 649,750.04 × 255,964.76
  4. Step 4: Simplify right side
    470,829.40x = 166,313,113,048.59
  5. Step 5: Solve for x
    x = 166,313,113,048.59/470,829.40
  6. Step 6: Final answer
    x = 353,234.34

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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.