Finding the Fourth Proportional to 704,763.74, 972,581.07 and 382,476.62
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Solution
The fourth proportional to 704,763.74, 972,581.07 and 382,476.62 is: 527,821.59
Step by Step Solution
- Step 1: Write the proportion equation
704,763.74 : 972,581.07 = 382,476.62 : x - Step 2: Convert to fraction form
704,763.74/972,581.07 = 382,476.62/x - Step 3: Cross multiply
704,763.74x = 972,581.07 × 382,476.62 - Step 4: Simplify right side
704,763.74x = 371,989,520,329.58 - Step 5: Solve for x
x = 371,989,520,329.58/704,763.74 - Step 6: Final answer
x = 527,821.59
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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.