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Finding the Fourth Proportional to 671,034.81, 926,028.04 and 369,228.81

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Solution

The fourth proportional to 671,034.81, 926,028.04 and 369,228.81 is: 509,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,034.81 : 926,028.04 = 369,228.81 : x
  2. Step 2: Convert to fraction form
    671,034.81/926,028.04 = 369,228.81/x
  3. Step 3: Cross multiply
    671,034.81x = 926,028.04 × 369,228.81
  4. Step 4: Simplify right side
    671,034.81x = 341,916,231,235.83
  5. Step 5: Solve for x
    x = 341,916,231,235.83/671,034.81
  6. Step 6: Final answer
    x = 509,535.76

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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.