Home / 748,421.40-1,122,413.40-268,593.60

Finding the Fourth Proportional to 748,421.40, 1,122,413.40 and 268,593.60

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Solution

The fourth proportional to 748,421.40, 1,122,413.40 and 268,593.60 is: 402,811.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,421.40 : 1,122,413.40 = 268,593.60 : x
  2. Step 2: Convert to fraction form
    748,421.40/1,122,413.40 = 268,593.60/x
  3. Step 3: Cross multiply
    748,421.40x = 1,122,413.40 × 268,593.60
  4. Step 4: Simplify right side
    748,421.40x = 301,473,055,794.24
  5. Step 5: Solve for x
    x = 301,473,055,794.24/748,421.40
  6. Step 6: Final answer
    x = 402,811.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.