Home / 813,342.77-1,122,413.15-450,790.06

Finding the Fourth Proportional to 813,342.77, 1,122,413.15 and 450,790.06

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Solution

The fourth proportional to 813,342.77, 1,122,413.15 and 450,790.06 is: 622,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,342.77 : 1,122,413.15 = 450,790.06 : x
  2. Step 2: Convert to fraction form
    813,342.77/1,122,413.15 = 450,790.06/x
  3. Step 3: Cross multiply
    813,342.77x = 1,122,413.15 × 450,790.06
  4. Step 4: Simplify right side
    813,342.77x = 505,972,691,658.76
  5. Step 5: Solve for x
    x = 505,972,691,658.76/813,342.77
  6. Step 6: Final answer
    x = 622,090.35

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Double scale
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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.