Home / 946,436.40-1,420,043.40-347,684.40

Finding the Fourth Proportional to 946,436.40, 1,420,043.40 and 347,684.40

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Solution

The fourth proportional to 946,436.40, 1,420,043.40 and 347,684.40 is: 521,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,436.40 : 1,420,043.40 = 347,684.40 : x
  2. Step 2: Convert to fraction form
    946,436.40/1,420,043.40 = 347,684.40/x
  3. Step 3: Cross multiply
    946,436.40x = 1,420,043.40 × 347,684.40
  4. Step 4: Simplify right side
    946,436.40x = 493,726,937,502.96
  5. Step 5: Solve for x
    x = 493,726,937,502.96/946,436.40
  6. Step 6: Final answer
    x = 521,669.43

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.