Home / 992,858.07-1,370,150.10-540,152.31

Finding the Fourth Proportional to 992,858.07, 1,370,150.10 and 540,152.31

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Solution

The fourth proportional to 992,858.07, 1,370,150.10 and 540,152.31 is: 745,413.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,858.07 : 1,370,150.10 = 540,152.31 : x
  2. Step 2: Convert to fraction form
    992,858.07/1,370,150.10 = 540,152.31/x
  3. Step 3: Cross multiply
    992,858.07x = 1,370,150.10 × 540,152.31
  4. Step 4: Simplify right side
    992,858.07x = 740,089,741,561.73
  5. Step 5: Solve for x
    x = 740,089,741,561.73/992,858.07
  6. Step 6: Final answer
    x = 745,413.43

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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.