Finding the Fourth Proportional to 949,994.12, 1,310,978.52 and 520,274.14
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Solution
The fourth proportional to 949,994.12, 1,310,978.52 and 520,274.14 is: 717,970.99
Step by Step Solution
- Step 1: Write the proportion equation
949,994.12 : 1,310,978.52 = 520,274.14 : x - Step 2: Convert to fraction form
949,994.12/1,310,978.52 = 520,274.14/x - Step 3: Cross multiply
949,994.12x = 1,310,978.52 × 520,274.14 - Step 4: Simplify right side
949,994.12x = 682,068,218,774.03 - Step 5: Solve for x
x = 682,068,218,774.03/949,994.12 - Step 6: Final answer
x = 717,970.99
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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.