Finding the Fourth Proportional to 903,413.22, 1,246,701.75 and 495,506.70
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Solution
The fourth proportional to 903,413.22, 1,246,701.75 and 495,506.70 is: 683,794.59
Step by Step Solution
- Step 1: Write the proportion equation
903,413.22 : 1,246,701.75 = 495,506.70 : x - Step 2: Convert to fraction form
903,413.22/1,246,701.75 = 495,506.70/x - Step 3: Cross multiply
903,413.22x = 1,246,701.75 × 495,506.70 - Step 4: Simplify right side
903,413.22x = 617,749,070,026.73 - Step 5: Solve for x
x = 617,749,070,026.73/903,413.22 - Step 6: Final answer
x = 683,794.59
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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.