Finding the Fourth Proportional to 875,381.10, 1,312,342.65 and 370,329.90
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Solution
The fourth proportional to 875,381.10, 1,312,342.65 and 370,329.90 is: 555,186.45
Step by Step Solution
- Step 1: Write the proportion equation
875,381.10 : 1,312,342.65 = 370,329.90 : x - Step 2: Convert to fraction form
875,381.10/1,312,342.65 = 370,329.90/x - Step 3: Cross multiply
875,381.10x = 1,312,342.65 × 370,329.90 - Step 4: Simplify right side
875,381.10x = 485,999,722,340.24 - Step 5: Solve for x
x = 485,999,722,340.24/875,381.10 - Step 6: Final answer
x = 555,186.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.