Finding the Fourth Proportional to 755,210.24, 1,042,219.68 and 415,710.08
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Solution
The fourth proportional to 755,210.24, 1,042,219.68 and 415,710.08 is: 573,696.18
Step by Step Solution
- Step 1: Write the proportion equation
755,210.24 : 1,042,219.68 = 415,710.08 : x - Step 2: Convert to fraction form
755,210.24/1,042,219.68 = 415,710.08/x - Step 3: Cross multiply
755,210.24x = 1,042,219.68 × 415,710.08 - Step 4: Simplify right side
755,210.24x = 433,261,226,550.37 - Step 5: Solve for x
x = 433,261,226,550.37/755,210.24 - Step 6: Final answer
x = 573,696.18
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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.