Finding the Fourth Proportional to 584,437.99, 806,387.37 and 354,988.90
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Solution
The fourth proportional to 584,437.99, 806,387.37 and 354,988.90 is: 489,801.43
Step by Step Solution
- Step 1: Write the proportion equation
584,437.99 : 806,387.37 = 354,988.90 : x - Step 2: Convert to fraction form
584,437.99/806,387.37 = 354,988.90/x - Step 3: Cross multiply
584,437.99x = 806,387.37 × 354,988.90 - Step 4: Simplify right side
584,437.99x = 286,258,565,450.19 - Step 5: Solve for x
x = 286,258,565,450.19/584,437.99 - Step 6: Final answer
x = 489,801.43
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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.