Home / 971,317.20-1,456,975.80-551,413.20

Finding the Fourth Proportional to 971,317.20, 1,456,975.80 and 551,413.20

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Solution

The fourth proportional to 971,317.20, 1,456,975.80 and 551,413.20 is: 827,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,317.20 : 1,456,975.80 = 551,413.20 : x
  2. Step 2: Convert to fraction form
    971,317.20/1,456,975.80 = 551,413.20/x
  3. Step 3: Cross multiply
    971,317.20x = 1,456,975.80 × 551,413.20
  4. Step 4: Simplify right side
    971,317.20x = 803,395,688,200.56
  5. Step 5: Solve for x
    x = 803,395,688,200.56/971,317.20
  6. Step 6: Final answer
    x = 827,119.80

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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.