Finding the Fourth Proportional to 564,134.66, 778,620.42 and 382,904.99
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Solution
The fourth proportional to 564,134.66, 778,620.42 and 382,904.99 is: 528,486.66
Step by Step Solution
- Step 1: Write the proportion equation
564,134.66 : 778,620.42 = 382,904.99 : x - Step 2: Convert to fraction form
564,134.66/778,620.42 = 382,904.99/x - Step 3: Cross multiply
564,134.66x = 778,620.42 × 382,904.99 - Step 4: Simplify right side
564,134.66x = 298,137,640,240.79 - Step 5: Solve for x
x = 298,137,640,240.79/564,134.66 - Step 6: Final answer
x = 528,486.66
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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.