Home / 1,485,300.48-2,228,037.12-420,253.44

Finding the Fourth Proportional to 1,485,300.48, 2,228,037.12 and 420,253.44

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Solution

The fourth proportional to 1,485,300.48, 2,228,037.12 and 420,253.44 is: 630,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,300.48 : 2,228,037.12 = 420,253.44 : x
  2. Step 2: Convert to fraction form
    1,485,300.48/2,228,037.12 = 420,253.44/x
  3. Step 3: Cross multiply
    1,485,300.48x = 2,228,037.12 × 420,253.44
  4. Step 4: Simplify right side
    1,485,300.48x = 936,340,264,127.69
  5. Step 5: Solve for x
    x = 936,340,264,127.69/1,485,300.48
  6. Step 6: Final answer
    x = 630,404.61

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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.