Finding the Fourth Proportional to 584,911.77, 807,180.29 and 316,639.77
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Solution
The fourth proportional to 584,911.77, 807,180.29 and 316,639.77 is: 436,963.99
Step by Step Solution
- Step 1: Write the proportion equation
584,911.77 : 807,180.29 = 316,639.77 : x - Step 2: Convert to fraction form
584,911.77/807,180.29 = 316,639.77/x - Step 3: Cross multiply
584,911.77x = 807,180.29 × 316,639.77 - Step 4: Simplify right side
584,911.77x = 255,585,381,374.13 - Step 5: Solve for x
x = 255,585,381,374.13/584,911.77 - Step 6: Final answer
x = 436,963.99
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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.