Finding the Fourth Proportional to 745,579.73, 1,028,929.16 and 423,319.81
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Solution
The fourth proportional to 745,579.73, 1,028,929.16 and 423,319.81 is: 584,197.88
Step by Step Solution
- Step 1: Write the proportion equation
745,579.73 : 1,028,929.16 = 423,319.81 : x - Step 2: Convert to fraction form
745,579.73/1,028,929.16 = 423,319.81/x - Step 3: Cross multiply
745,579.73x = 1,028,929.16 × 423,319.81 - Step 4: Simplify right side
745,579.73x = 435,566,096,514.66 - Step 5: Solve for x
x = 435,566,096,514.66/745,579.73 - Step 6: Final answer
x = 584,197.88
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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.