Finding the Fourth Proportional to 551,976.06, 761,790.44 and 306,985.68
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Solution
The fourth proportional to 551,976.06, 761,790.44 and 306,985.68 is: 423,675.54
Step by Step Solution
- Step 1: Write the proportion equation
551,976.06 : 761,790.44 = 306,985.68 : x - Step 2: Convert to fraction form
551,976.06/761,790.44 = 306,985.68/x - Step 3: Cross multiply
551,976.06x = 761,790.44 × 306,985.68 - Step 4: Simplify right side
551,976.06x = 233,858,756,240.90 - Step 5: Solve for x
x = 233,858,756,240.90/551,976.06 - Step 6: Final answer
x = 423,675.54
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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.