Finding the Fourth Proportional to 779,703.67, 1,168,349.99 and 608,519.49
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Solution
The fourth proportional to 779,703.67, 1,168,349.99 and 608,519.49 is: 911,838.39
Step by Step Solution
- Step 1: Write the proportion equation
779,703.67 : 1,168,349.99 = 608,519.49 : x - Step 2: Convert to fraction form
779,703.67/1,168,349.99 = 608,519.49/x - Step 3: Cross multiply
779,703.67x = 1,168,349.99 × 608,519.49 - Step 4: Simplify right side
779,703.67x = 710,963,741,395.02 - Step 5: Solve for x
x = 710,963,741,395.02/779,703.67 - Step 6: Final answer
x = 911,838.39
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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.