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Finding the Fourth Proportional to 662,413.32, 988,525.59 and 658,624.32

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Solution

The fourth proportional to 662,413.32, 988,525.59 and 658,624.32 is: 982,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,413.32 : 988,525.59 = 658,624.32 : x
  2. Step 2: Convert to fraction form
    662,413.32/988,525.59 = 658,624.32/x
  3. Step 3: Cross multiply
    662,413.32x = 988,525.59 × 658,624.32
  4. Step 4: Simplify right side
    662,413.32x = 651,066,994,516.35
  5. Step 5: Solve for x
    x = 651,066,994,516.35/662,413.32
  6. Step 6: Final answer
    x = 982,871.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.