Finding the Fourth Proportional to 914,237.16, 1,261,551.31 and 506,328.24
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Solution
The fourth proportional to 914,237.16, 1,261,551.31 and 506,328.24 is: 698,679.82
Step by Step Solution
- Step 1: Write the proportion equation
914,237.16 : 1,261,551.31 = 506,328.24 : x - Step 2: Convert to fraction form
914,237.16/1,261,551.31 = 506,328.24/x - Step 3: Cross multiply
914,237.16x = 1,261,551.31 × 506,328.24 - Step 4: Simplify right side
914,237.16x = 638,759,054,461.99 - Step 5: Solve for x
x = 638,759,054,461.99/914,237.16 - Step 6: Final answer
x = 698,679.82
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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.