Home / 856,413.90-1,181,765.07-474,369.30

Finding the Fourth Proportional to 856,413.90, 1,181,765.07 and 474,369.30

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Solution

The fourth proportional to 856,413.90, 1,181,765.07 and 474,369.30 is: 654,581.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,413.90 : 1,181,765.07 = 474,369.30 : x
  2. Step 2: Convert to fraction form
    856,413.90/1,181,765.07 = 474,369.30/x
  3. Step 3: Cross multiply
    856,413.90x = 1,181,765.07 × 474,369.30
  4. Step 4: Simplify right side
    856,413.90x = 560,593,069,602.92
  5. Step 5: Solve for x
    x = 560,593,069,602.92/856,413.90
  6. Step 6: Final answer
    x = 654,581.94

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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.