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Finding the Fourth Proportional to 458,709.13, 633,022.59 and 254,763.63

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Solution

The fourth proportional to 458,709.13, 633,022.59 and 254,763.63 is: 351,576.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,709.13 : 633,022.59 = 254,763.63 : x
  2. Step 2: Convert to fraction form
    458,709.13/633,022.59 = 254,763.63/x
  3. Step 3: Cross multiply
    458,709.13x = 633,022.59 × 254,763.63
  4. Step 4: Simplify right side
    458,709.13x = 161,271,133,855.77
  5. Step 5: Solve for x
    x = 161,271,133,855.77/458,709.13
  6. Step 6: Final answer
    x = 351,576.03

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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.