Finding the Fourth Proportional to 752,065.36, 1,128,442.49 and 325,731.58
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Solution
The fourth proportional to 752,065.36, 1,128,442.49 and 325,731.58 is: 488,746.56
Step by Step Solution
- Step 1: Write the proportion equation
752,065.36 : 1,128,442.49 = 325,731.58 : x - Step 2: Convert to fraction form
752,065.36/1,128,442.49 = 325,731.58/x - Step 3: Cross multiply
752,065.36x = 1,128,442.49 × 325,731.58 - Step 4: Simplify right side
752,065.36x = 367,569,356,984.55 - Step 5: Solve for x
x = 367,569,356,984.55/752,065.36 - Step 6: Final answer
x = 488,746.56
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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.