Finding the Fourth Proportional to 988,813.22, 1,364,589.14 and 559,157.63
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Solution
The fourth proportional to 988,813.22, 1,364,589.14 and 559,157.63 is: 771,652.73
Step by Step Solution
- Step 1: Write the proportion equation
988,813.22 : 1,364,589.14 = 559,157.63 : x - Step 2: Convert to fraction form
988,813.22/1,364,589.14 = 559,157.63/x - Step 3: Cross multiply
988,813.22x = 1,364,589.14 × 559,157.63 - Step 4: Simplify right side
988,813.22x = 763,020,419,827.40 - Step 5: Solve for x
x = 763,020,419,827.40/988,813.22 - Step 6: Final answer
x = 771,652.73
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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.