Home / 409,664.64-565,181.10-302,491.92

Finding the Fourth Proportional to 409,664.64, 565,181.10 and 302,491.92

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Solution

The fourth proportional to 409,664.64, 565,181.10 and 302,491.92 is: 417,323.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,664.64 : 565,181.10 = 302,491.92 : x
  2. Step 2: Convert to fraction form
    409,664.64/565,181.10 = 302,491.92/x
  3. Step 3: Cross multiply
    409,664.64x = 565,181.10 × 302,491.92
  4. Step 4: Simplify right side
    409,664.64x = 170,962,716,086.71
  5. Step 5: Solve for x
    x = 170,962,716,086.71/409,664.64
  6. Step 6: Final answer
    x = 417,323.58

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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.