Home / 867,426.95-1,300,816.83-298,647.38

Finding the Fourth Proportional to 867,426.95, 1,300,816.83 and 298,647.38

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Solution

The fourth proportional to 867,426.95, 1,300,816.83 and 298,647.38 is: 447,859.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,426.95 : 1,300,816.83 = 298,647.38 : x
  2. Step 2: Convert to fraction form
    867,426.95/1,300,816.83 = 298,647.38/x
  3. Step 3: Cross multiply
    867,426.95x = 1,300,816.83 × 298,647.38
  4. Step 4: Simplify right side
    867,426.95x = 388,485,538,139.41
  5. Step 5: Solve for x
    x = 388,485,538,139.41/867,426.95
  6. Step 6: Final answer
    x = 447,859.66

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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.