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Finding the Fourth Proportional to 668,900.74, 923,078.29 and 362,969.34

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Solution

The fourth proportional to 668,900.74, 923,078.29 and 362,969.34 is: 500,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,900.74 : 923,078.29 = 362,969.34 : x
  2. Step 2: Convert to fraction form
    668,900.74/923,078.29 = 362,969.34/x
  3. Step 3: Cross multiply
    668,900.74x = 923,078.29 × 362,969.34
  4. Step 4: Simplify right side
    668,900.74x = 335,049,117,689.63
  5. Step 5: Solve for x
    x = 335,049,117,689.63/668,900.74
  6. Step 6: Final answer
    x = 500,895.12

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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.