Home / 682,565.70-1,023,848.55-303,485.70

Finding the Fourth Proportional to 682,565.70, 1,023,848.55 and 303,485.70

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Solution

The fourth proportional to 682,565.70, 1,023,848.55 and 303,485.70 is: 455,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,565.70 : 1,023,848.55 = 303,485.70 : x
  2. Step 2: Convert to fraction form
    682,565.70/1,023,848.55 = 303,485.70/x
  3. Step 3: Cross multiply
    682,565.70x = 1,023,848.55 × 303,485.70
  4. Step 4: Simplify right side
    682,565.70x = 310,723,393,890.74
  5. Step 5: Solve for x
    x = 310,723,393,890.74/682,565.70
  6. Step 6: Final answer
    x = 455,228.55

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Double scale
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Similar ratio
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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.