Home / 814,002.75-1,123,323.80-451,482.12

Finding the Fourth Proportional to 814,002.75, 1,123,323.80 and 451,482.12

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Solution

The fourth proportional to 814,002.75, 1,123,323.80 and 451,482.12 is: 623,045.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,002.75 : 1,123,323.80 = 451,482.12 : x
  2. Step 2: Convert to fraction form
    814,002.75/1,123,323.80 = 451,482.12/x
  3. Step 3: Cross multiply
    814,002.75x = 1,123,323.80 × 451,482.12
  4. Step 4: Simplify right side
    814,002.75x = 507,160,608,413.05
  5. Step 5: Solve for x
    x = 507,160,608,413.05/814,002.75
  6. Step 6: Final answer
    x = 623,045.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.