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Finding the Fourth Proportional to 875,853.60, 1,312,743.60 and 370,413.60

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Solution

The fourth proportional to 875,853.60, 1,312,743.60 and 370,413.60 is: 555,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,853.60 : 1,312,743.60 = 370,413.60 : x
  2. Step 2: Convert to fraction form
    875,853.60/1,312,743.60 = 370,413.60/x
  3. Step 3: Cross multiply
    875,853.60x = 1,312,743.60 × 370,413.60
  4. Step 4: Simplify right side
    875,853.60x = 486,258,082,752.96
  5. Step 5: Solve for x
    x = 486,258,082,752.96/875,853.60
  6. Step 6: Final answer
    x = 555,181.92

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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.