Finding the Fourth Proportional to 913,957.95, 1,261,217.11 and 506,048.43
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Solution
The fourth proportional to 913,957.95, 1,261,217.11 and 506,048.43 is: 698,321.99
Step by Step Solution
- Step 1: Write the proportion equation
913,957.95 : 1,261,217.11 = 506,048.43 : x - Step 2: Convert to fraction form
913,957.95/1,261,217.11 = 506,048.43/x - Step 3: Cross multiply
913,957.95x = 1,261,217.11 × 506,048.43 - Step 4: Simplify right side
913,957.95x = 638,236,938,404.64 - Step 5: Solve for x
x = 638,236,938,404.64/913,957.95 - Step 6: Final answer
x = 698,321.99
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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.