Finding the Fourth Proportional to 988,785.36, 1,364,515.56 and 559,149.84
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Solution
The fourth proportional to 988,785.36, 1,364,515.56 and 559,149.84 is: 771,622.12
Step by Step Solution
- Step 1: Write the proportion equation
988,785.36 : 1,364,515.56 = 559,149.84 : x - Step 2: Convert to fraction form
988,785.36/1,364,515.56 = 559,149.84/x - Step 3: Cross multiply
988,785.36x = 1,364,515.56 × 559,149.84 - Step 4: Simplify right side
988,785.36x = 762,968,657,051.51 - Step 5: Solve for x
x = 762,968,657,051.51/988,785.36 - Step 6: Final answer
x = 771,622.12
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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.