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Finding the Fourth Proportional to 453,790.89, 626,160.68 and 262,767.38

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Solution

The fourth proportional to 453,790.89, 626,160.68 and 262,767.38 is: 362,578.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,790.89 : 626,160.68 = 262,767.38 : x
  2. Step 2: Convert to fraction form
    453,790.89/626,160.68 = 262,767.38/x
  3. Step 3: Cross multiply
    453,790.89x = 626,160.68 × 262,767.38
  4. Step 4: Simplify right side
    453,790.89x = 164,534,597,883.36
  5. Step 5: Solve for x
    x = 164,534,597,883.36/453,790.89
  6. Step 6: Final answer
    x = 362,578.01

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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.