Finding the Fourth Proportional to 705,331.36, 973,348.14 and 399,467.26
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Solution
The fourth proportional to 705,331.36, 973,348.14 and 399,467.26 is: 551,259.64
Step by Step Solution
- Step 1: Write the proportion equation
705,331.36 : 973,348.14 = 399,467.26 : x - Step 2: Convert to fraction form
705,331.36/973,348.14 = 399,467.26/x - Step 3: Cross multiply
705,331.36x = 973,348.14 × 399,467.26 - Step 4: Simplify right side
705,331.36x = 388,820,714,511.90 - Step 5: Solve for x
x = 388,820,714,511.90/705,331.36 - Step 6: Final answer
x = 551,259.64
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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.