Home / 470,680.74-649,543.77-255,821.31

Finding the Fourth Proportional to 470,680.74, 649,543.77 and 255,821.31

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Solution

The fourth proportional to 470,680.74, 649,543.77 and 255,821.31 is: 353,035.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,680.74 : 649,543.77 = 255,821.31 : x
  2. Step 2: Convert to fraction form
    470,680.74/649,543.77 = 255,821.31/x
  3. Step 3: Cross multiply
    470,680.74x = 649,543.77 × 255,821.31
  4. Step 4: Simplify right side
    470,680.74x = 166,167,138,143.74
  5. Step 5: Solve for x
    x = 166,167,138,143.74/470,680.74
  6. Step 6: Final answer
    x = 353,035.77

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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.