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Finding the Fourth Proportional to 565,440.23, 780,421.02 and 335,953.37

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Solution

The fourth proportional to 565,440.23, 780,421.02 and 335,953.37 is: 463,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,440.23 : 780,421.02 = 335,953.37 : x
  2. Step 2: Convert to fraction form
    565,440.23/780,421.02 = 335,953.37/x
  3. Step 3: Cross multiply
    565,440.23x = 780,421.02 × 335,953.37
  4. Step 4: Simplify right side
    565,440.23x = 262,185,071,687.84
  5. Step 5: Solve for x
    x = 262,185,071,687.84/565,440.23
  6. Step 6: Final answer
    x = 463,683.09

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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.