Finding the Fourth Proportional to 865,630.62, 1,304,354.48 and 711,315.90
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Solution
The fourth proportional to 865,630.62, 1,304,354.48 and 711,315.90 is: 1,071,829.09
Step by Step Solution
- Step 1: Write the proportion equation
865,630.62 : 1,304,354.48 = 711,315.90 : x - Step 2: Convert to fraction form
865,630.62/1,304,354.48 = 711,315.90/x - Step 3: Cross multiply
865,630.62x = 1,304,354.48 × 711,315.90 - Step 4: Simplify right side
865,630.62x = 927,808,080,860.23 - Step 5: Solve for x
x = 927,808,080,860.23/865,630.62 - Step 6: Final answer
x = 1,071,829.09
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.