Home / 988,413.16-1,482,805.20-448,707.28

Finding the Fourth Proportional to 988,413.16, 1,482,805.20 and 448,707.28

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Solution

The fourth proportional to 988,413.16, 1,482,805.20 and 448,707.28 is: 673,145.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,413.16 : 1,482,805.20 = 448,707.28 : x
  2. Step 2: Convert to fraction form
    988,413.16/1,482,805.20 = 448,707.28/x
  3. Step 3: Cross multiply
    988,413.16x = 1,482,805.20 × 448,707.28
  4. Step 4: Simplify right side
    988,413.16x = 665,345,488,061.86
  5. Step 5: Solve for x
    x = 665,345,488,061.86/988,413.16
  6. Step 6: Final answer
    x = 673,145.11

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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.