Finding the Fourth Proportional to 584,684.19, 806,726.79 and 355,234.68
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Solution
The fourth proportional to 584,684.19, 806,726.79 and 355,234.68 is: 490,140.38
Step by Step Solution
- Step 1: Write the proportion equation
584,684.19 : 806,726.79 = 355,234.68 : x - Step 2: Convert to fraction form
584,684.19/806,726.79 = 355,234.68/x - Step 3: Cross multiply
584,684.19x = 806,726.79 × 355,234.68 - Step 4: Simplify right side
584,684.19x = 286,577,333,093.08 - Step 5: Solve for x
x = 286,577,333,093.08/584,684.19 - Step 6: Final answer
x = 490,140.38
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1.5x scale
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.