Finding the Fourth Proportional to 918,927.96, 1,267,934.76 and 536,880.93
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Solution
The fourth proportional to 918,927.96, 1,267,934.76 and 536,880.93 is: 740,787.12
Step by Step Solution
- Step 1: Write the proportion equation
918,927.96 : 1,267,934.76 = 536,880.93 : x - Step 2: Convert to fraction form
918,927.96/1,267,934.76 = 536,880.93/x - Step 3: Cross multiply
918,927.96x = 1,267,934.76 × 536,880.93 - Step 4: Simplify right side
918,927.96x = 680,729,993,128.13 - Step 5: Solve for x
x = 680,729,993,128.13/918,927.96 - Step 6: Final answer
x = 740,787.12
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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.