Home / 470,710.30-649,581.04-255,849.78

Finding the Fourth Proportional to 470,710.30, 649,581.04 and 255,849.78

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Solution

The fourth proportional to 470,710.30, 649,581.04 and 255,849.78 is: 353,073.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,710.30 : 649,581.04 = 255,849.78 : x
  2. Step 2: Convert to fraction form
    470,710.30/649,581.04 = 255,849.78/x
  3. Step 3: Cross multiply
    470,710.30x = 649,581.04 × 255,849.78
  4. Step 4: Simplify right side
    470,710.30x = 166,195,166,176.17
  5. Step 5: Solve for x
    x = 166,195,166,176.17/470,710.30
  6. Step 6: Final answer
    x = 353,073.15

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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.