Finding the Fourth Proportional to 519,804.88, 717,325.08 and 293,459.92
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Solution
The fourth proportional to 519,804.88, 717,325.08 and 293,459.92 is: 404,971.50
Step by Step Solution
- Step 1: Write the proportion equation
519,804.88 : 717,325.08 = 293,459.92 : x - Step 2: Convert to fraction form
519,804.88/717,325.08 = 293,459.92/x - Step 3: Cross multiply
519,804.88x = 717,325.08 × 293,459.92 - Step 4: Simplify right side
519,804.88x = 210,506,160,590.79 - Step 5: Solve for x
x = 210,506,160,590.79/519,804.88 - Step 6: Final answer
x = 404,971.50
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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.