Finding the Fourth Proportional to 871,875.42, 1,203,295.68 and 489,894
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Solution
The fourth proportional to 871,875.42, 1,203,295.68 and 489,894 is: 676,114.18
Step by Step Solution
- Step 1: Write the proportion equation
871,875.42 : 1,203,295.68 = 489,894 : x - Step 2: Convert to fraction form
871,875.42/1,203,295.68 = 489,894/x - Step 3: Cross multiply
871,875.42x = 1,203,295.68 × 489,894 - Step 4: Simplify right side
871,875.42x = 589,487,333,857.92 - Step 5: Solve for x
x = 589,487,333,857.92/871,875.42 - Step 6: Final answer
x = 676,114.18
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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.