Finding the Fourth Proportional to 847,038.42, 1,168,775.10 and 484,403.94
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Solution
The fourth proportional to 847,038.42, 1,168,775.10 and 484,403.94 is: 668,398.56
Step by Step Solution
- Step 1: Write the proportion equation
847,038.42 : 1,168,775.10 = 484,403.94 : x - Step 2: Convert to fraction form
847,038.42/1,168,775.10 = 484,403.94/x - Step 3: Cross multiply
847,038.42x = 1,168,775.10 × 484,403.94 - Step 4: Simplify right side
847,038.42x = 566,159,263,413.89 - Step 5: Solve for x
x = 566,159,263,413.89/847,038.42 - Step 6: Final answer
x = 668,398.56
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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.