Home / 947,350.80-1,421,803.80-916,246.80

Finding the Fourth Proportional to 947,350.80, 1,421,803.80 and 916,246.80

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Solution

The fourth proportional to 947,350.80, 1,421,803.80 and 916,246.80 is: 1,375,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,350.80 : 1,421,803.80 = 916,246.80 : x
  2. Step 2: Convert to fraction form
    947,350.80/1,421,803.80 = 916,246.80/x
  3. Step 3: Cross multiply
    947,350.80x = 1,421,803.80 × 916,246.80
  4. Step 4: Simplify right side
    947,350.80x = 1,302,723,181,977.84
  5. Step 5: Solve for x
    x = 1,302,723,181,977.84/947,350.80
  6. Step 6: Final answer
    x = 1,375,122.27

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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.