Home / 821,322.63-1,133,413.29-458,751.65

Finding the Fourth Proportional to 821,322.63, 1,133,413.29 and 458,751.65

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Solution

The fourth proportional to 821,322.63, 1,133,413.29 and 458,751.65 is: 633,070.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,322.63 : 1,133,413.29 = 458,751.65 : x
  2. Step 2: Convert to fraction form
    821,322.63/1,133,413.29 = 458,751.65/x
  3. Step 3: Cross multiply
    821,322.63x = 1,133,413.29 × 458,751.65
  4. Step 4: Simplify right side
    821,322.63x = 519,955,211,252.36
  5. Step 5: Solve for x
    x = 519,955,211,252.36/821,322.63
  6. Step 6: Final answer
    x = 633,070.60

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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.