Home / 454,909.20-682,363.80-277,762.20

Finding the Fourth Proportional to 454,909.20, 682,363.80 and 277,762.20

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Solution

The fourth proportional to 454,909.20, 682,363.80 and 277,762.20 is: 416,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,909.20 : 682,363.80 = 277,762.20 : x
  2. Step 2: Convert to fraction form
    454,909.20/682,363.80 = 277,762.20/x
  3. Step 3: Cross multiply
    454,909.20x = 682,363.80 × 277,762.20
  4. Step 4: Simplify right side
    454,909.20x = 189,534,870,288.36
  5. Step 5: Solve for x
    x = 189,534,870,288.36/454,909.20
  6. Step 6: Final answer
    x = 416,643.30

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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.