Finding the Fourth Proportional to 919,201.84, 1,268,534.62 and 556,420.46
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Solution
The fourth proportional to 919,201.84, 1,268,534.62 and 556,420.46 is: 767,882.07
Step by Step Solution
- Step 1: Write the proportion equation
919,201.84 : 1,268,534.62 = 556,420.46 : x - Step 2: Convert to fraction form
919,201.84/1,268,534.62 = 556,420.46/x - Step 3: Cross multiply
919,201.84x = 1,268,534.62 × 556,420.46 - Step 4: Simplify right side
919,201.84x = 705,838,611,139.18 - Step 5: Solve for x
x = 705,838,611,139.18/919,201.84 - Step 6: Final answer
x = 767,882.07
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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.