Finding the Fourth Proportional to 626,553.84, 864,621.14 and 340,067.79
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Solution
The fourth proportional to 626,553.84, 864,621.14 and 340,067.79 is: 469,280.98
Step by Step Solution
- Step 1: Write the proportion equation
626,553.84 : 864,621.14 = 340,067.79 : x - Step 2: Convert to fraction form
626,553.84/864,621.14 = 340,067.79/x - Step 3: Cross multiply
626,553.84x = 864,621.14 × 340,067.79 - Step 4: Simplify right side
626,553.84x = 294,029,798,566.74 - Step 5: Solve for x
x = 294,029,798,566.74/626,553.84 - Step 6: Final answer
x = 469,280.98
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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.