Home / 671,128.03-926,156.84-369,322.03

Finding the Fourth Proportional to 671,128.03, 926,156.84 and 369,322.03

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Solution

The fourth proportional to 671,128.03, 926,156.84 and 369,322.03 is: 509,664.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,128.03 : 926,156.84 = 369,322.03 : x
  2. Step 2: Convert to fraction form
    671,128.03/926,156.84 = 369,322.03/x
  3. Step 3: Cross multiply
    671,128.03x = 926,156.84 × 369,322.03
  4. Step 4: Simplify right side
    671,128.03x = 342,050,123,558.27
  5. Step 5: Solve for x
    x = 342,050,123,558.27/671,128.03
  6. Step 6: Final answer
    x = 509,664.49

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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.