Finding the Fourth Proportional to 551,888.57, 761,473.19 and 322,315.53
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Solution
The fourth proportional to 551,888.57, 761,473.19 and 322,315.53 is: 444,717.74
Step by Step Solution
- Step 1: Write the proportion equation
551,888.57 : 761,473.19 = 322,315.53 : x - Step 2: Convert to fraction form
551,888.57/761,473.19 = 322,315.53/x - Step 3: Cross multiply
551,888.57x = 761,473.19 × 322,315.53 - Step 4: Simplify right side
551,888.57x = 245,434,633,204.06 - Step 5: Solve for x
x = 245,434,633,204.06/551,888.57 - Step 6: Final answer
x = 444,717.74
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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.