Home / 887,999.16-1,225,413.92-485,582.52

Finding the Fourth Proportional to 887,999.16, 1,225,413.92 and 485,582.52

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Solution

The fourth proportional to 887,999.16, 1,225,413.92 and 485,582.52 is: 670,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,999.16 : 1,225,413.92 = 485,582.52 : x
  2. Step 2: Convert to fraction form
    887,999.16/1,225,413.92 = 485,582.52/x
  3. Step 3: Cross multiply
    887,999.16x = 1,225,413.92 × 485,582.52
  4. Step 4: Simplify right side
    887,999.16x = 595,039,579,316.68
  5. Step 5: Solve for x
    x = 595,039,579,316.68/887,999.16
  6. Step 6: Final answer
    x = 670,090.25

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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.