Finding the Fourth Proportional to 756,248.30, 1,133,547.16 and 372,261.42
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Solution
The fourth proportional to 756,248.30, 1,133,547.16 and 372,261.42 is: 557,985.88
Step by Step Solution
- Step 1: Write the proportion equation
756,248.30 : 1,133,547.16 = 372,261.42 : x - Step 2: Convert to fraction form
756,248.30/1,133,547.16 = 372,261.42/x - Step 3: Cross multiply
756,248.30x = 1,133,547.16 × 372,261.42 - Step 4: Simplify right side
756,248.30x = 421,975,875,185.90 - Step 5: Solve for x
x = 421,975,875,185.90/756,248.30 - Step 6: Final answer
x = 557,985.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.