Home / 821,254.91-1,133,219.78-458,632.54

Finding the Fourth Proportional to 821,254.91, 1,133,219.78 and 458,632.54

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Solution

The fourth proportional to 821,254.91, 1,133,219.78 and 458,632.54 is: 632,850.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,254.91 : 1,133,219.78 = 458,632.54 : x
  2. Step 2: Convert to fraction form
    821,254.91/1,133,219.78 = 458,632.54/x
  3. Step 3: Cross multiply
    821,254.91x = 1,133,219.78 × 458,632.54
  4. Step 4: Simplify right side
    821,254.91x = 519,731,460,413.54
  5. Step 5: Solve for x
    x = 519,731,460,413.54/821,254.91
  6. Step 6: Final answer
    x = 632,850.35

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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.