Finding the Fourth Proportional to 857,332.62, 1,183,101.39 and 475,356.06
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Solution
The fourth proportional to 857,332.62, 1,183,101.39 and 475,356.06 is: 655,981.59
Step by Step Solution
- Step 1: Write the proportion equation
857,332.62 : 1,183,101.39 = 475,356.06 : x - Step 2: Convert to fraction form
857,332.62/1,183,101.39 = 475,356.06/x - Step 3: Cross multiply
857,332.62x = 1,183,101.39 × 475,356.06 - Step 4: Simplify right side
857,332.62x = 562,394,415,330.92 - Step 5: Solve for x
x = 562,394,415,330.92/857,332.62 - Step 6: Final answer
x = 655,981.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.