Finding the Fourth Proportional to 638,371.08, 880,941.26 and 347,985.87
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Solution
The fourth proportional to 638,371.08, 880,941.26 and 347,985.87 is: 480,214.59
Step by Step Solution
- Step 1: Write the proportion equation
638,371.08 : 880,941.26 = 347,985.87 : x - Step 2: Convert to fraction form
638,371.08/880,941.26 = 347,985.87/x - Step 3: Cross multiply
638,371.08x = 880,941.26 × 347,985.87 - Step 4: Simplify right side
638,371.08x = 306,555,109,040.07 - Step 5: Solve for x
x = 306,555,109,040.07/638,371.08 - Step 6: Final answer
x = 480,214.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.