Home / 691,155.70-1,036,022.64-264,591.10

Finding the Fourth Proportional to 691,155.70, 1,036,022.64 and 264,591.10

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Solution

The fourth proportional to 691,155.70, 1,036,022.64 and 264,591.10 is: 396,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,155.70 : 1,036,022.64 = 264,591.10 : x
  2. Step 2: Convert to fraction form
    691,155.70/1,036,022.64 = 264,591.10/x
  3. Step 3: Cross multiply
    691,155.70x = 1,036,022.64 × 264,591.10
  4. Step 4: Simplify right side
    691,155.70x = 274,122,369,942.50
  5. Step 5: Solve for x
    x = 274,122,369,942.50/691,155.70
  6. Step 6: Final answer
    x = 396,614.50

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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.