Home / 648,413.28-972,617.04-175,147.20

Finding the Fourth Proportional to 648,413.28, 972,617.04 and 175,147.20

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Solution

The fourth proportional to 648,413.28, 972,617.04 and 175,147.20 is: 262,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,413.28 : 972,617.04 = 175,147.20 : x
  2. Step 2: Convert to fraction form
    648,413.28/972,617.04 = 175,147.20/x
  3. Step 3: Cross multiply
    648,413.28x = 972,617.04 × 175,147.20
  4. Step 4: Simplify right side
    648,413.28x = 170,351,151,228.29
  5. Step 5: Solve for x
    x = 170,351,151,228.29/648,413.28
  6. Step 6: Final answer
    x = 262,720.02

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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.