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Finding the Fourth Proportional to 456,435, 629,868.96 and 252,494.01

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Solution

The fourth proportional to 456,435, 629,868.96 and 252,494.01 is: 348,435.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,435 : 629,868.96 = 252,494.01 : x
  2. Step 2: Convert to fraction form
    456,435/629,868.96 = 252,494.01/x
  3. Step 3: Cross multiply
    456,435x = 629,868.96 × 252,494.01
  4. Step 4: Simplify right side
    456,435x = 159,038,139,484.93
  5. Step 5: Solve for x
    x = 159,038,139,484.93/456,435
  6. Step 6: Final answer
    x = 348,435.46

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1.5x scale

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.