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Finding the Fourth Proportional to 668,904.60, 923,083.68 and 362,973.21

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Solution

The fourth proportional to 668,904.60, 923,083.68 and 362,973.21 is: 500,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,904.60 : 923,083.68 = 362,973.21 : x
  2. Step 2: Convert to fraction form
    668,904.60/923,083.68 = 362,973.21/x
  3. Step 3: Cross multiply
    668,904.60x = 923,083.68 × 362,973.21
  4. Step 4: Simplify right side
    668,904.60x = 335,054,646,428.21
  5. Step 5: Solve for x
    x = 335,054,646,428.21/668,904.60
  6. Step 6: Final answer
    x = 500,900.50

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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.