Finding the Fourth Proportional to 914,257.68, 1,261,612.44 and 506,330.16
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Solution
The fourth proportional to 914,257.68, 1,261,612.44 and 506,330.16 is: 698,700.64
Step by Step Solution
- Step 1: Write the proportion equation
914,257.68 : 1,261,612.44 = 506,330.16 : x - Step 2: Convert to fraction form
914,257.68/1,261,612.44 = 506,330.16/x - Step 3: Cross multiply
914,257.68x = 1,261,612.44 × 506,330.16 - Step 4: Simplify right side
914,257.68x = 638,792,428,603.19 - Step 5: Solve for x
x = 638,792,428,603.19/914,257.68 - Step 6: Final answer
x = 698,700.64
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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.