Home / 913,596.70-1,260,745.36-505,674.72

Finding the Fourth Proportional to 913,596.70, 1,260,745.36 and 505,674.72

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Solution

The fourth proportional to 913,596.70, 1,260,745.36 and 505,674.72 is: 697,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,596.70 : 1,260,745.36 = 505,674.72 : x
  2. Step 2: Convert to fraction form
    913,596.70/1,260,745.36 = 505,674.72/x
  3. Step 3: Cross multiply
    913,596.70x = 1,260,745.36 × 505,674.72
  4. Step 4: Simplify right side
    913,596.70x = 637,527,059,190.96
  5. Step 5: Solve for x
    x = 637,527,059,190.96/913,596.70
  6. Step 6: Final answer
    x = 697,821.11

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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.