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Finding the Fourth Proportional to 594,700.49, 820,313.40 and 352,811.81

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Solution

The fourth proportional to 594,700.49, 820,313.40 and 352,811.81 is: 486,658.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,700.49 : 820,313.40 = 352,811.81 : x
  2. Step 2: Convert to fraction form
    594,700.49/820,313.40 = 352,811.81/x
  3. Step 3: Cross multiply
    594,700.49x = 820,313.40 × 352,811.81
  4. Step 4: Simplify right side
    594,700.49x = 289,416,258,795.08
  5. Step 5: Solve for x
    x = 289,416,258,795.08/594,700.49
  6. Step 6: Final answer
    x = 486,658.85

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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.