Home / 470,246.28-648,941.73-255,389.94

Finding the Fourth Proportional to 470,246.28, 648,941.73 and 255,389.94

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Solution

The fourth proportional to 470,246.28, 648,941.73 and 255,389.94 is: 352,439.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,246.28 : 648,941.73 = 255,389.94 : x
  2. Step 2: Convert to fraction form
    470,246.28/648,941.73 = 255,389.94/x
  3. Step 3: Cross multiply
    470,246.28x = 648,941.73 × 255,389.94
  4. Step 4: Simplify right side
    470,246.28x = 165,733,189,488.20
  5. Step 5: Solve for x
    x = 165,733,189,488.20/470,246.28
  6. Step 6: Final answer
    x = 352,439.13

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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.