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Finding the Fourth Proportional to 668,719.24, 922,829.70 and 366,906.76

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Solution

The fourth proportional to 668,719.24, 922,829.70 and 366,906.76 is: 506,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,719.24 : 922,829.70 = 366,906.76 : x
  2. Step 2: Convert to fraction form
    668,719.24/922,829.70 = 366,906.76/x
  3. Step 3: Cross multiply
    668,719.24x = 922,829.70 × 366,906.76
  4. Step 4: Simplify right side
    668,719.24x = 338,592,455,258.77
  5. Step 5: Solve for x
    x = 338,592,455,258.77/668,719.24
  6. Step 6: Final answer
    x = 506,329.76

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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.