Home / 470,442.60-649,213.90-255,582.61

Finding the Fourth Proportional to 470,442.60, 649,213.90 and 255,582.61

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Solution

The fourth proportional to 470,442.60, 649,213.90 and 255,582.61 is: 352,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,442.60 : 649,213.90 = 255,582.61 : x
  2. Step 2: Convert to fraction form
    470,442.60/649,213.90 = 255,582.61/x
  3. Step 3: Cross multiply
    470,442.60x = 649,213.90 × 255,582.61
  4. Step 4: Simplify right side
    470,442.60x = 165,927,780,748.29
  5. Step 5: Solve for x
    x = 165,927,780,748.29/470,442.60
  6. Step 6: Final answer
    x = 352,705.69

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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.