Home / 946,780.29-1,420,355.64-347,745.95

Finding the Fourth Proportional to 946,780.29, 1,420,355.64 and 347,745.95

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Solution

The fourth proportional to 946,780.29, 1,420,355.64 and 347,745.95 is: 521,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,780.29 : 1,420,355.64 = 347,745.95 : x
  2. Step 2: Convert to fraction form
    946,780.29/1,420,355.64 = 347,745.95/x
  3. Step 3: Cross multiply
    946,780.29x = 1,420,355.64 × 347,745.95
  4. Step 4: Simplify right side
    946,780.29x = 493,922,926,224.60
  5. Step 5: Solve for x
    x = 493,922,926,224.60/946,780.29
  6. Step 6: Final answer
    x = 521,686.96

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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.