Finding the Fourth Proportional to 420,716.60, 584,508.28 and 415,672.06
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Solution
The fourth proportional to 420,716.60, 584,508.28 and 415,672.06 is: 577,499.82
Step by Step Solution
- Step 1: Write the proportion equation
420,716.60 : 584,508.28 = 415,672.06 : x - Step 2: Convert to fraction form
420,716.60/584,508.28 = 415,672.06/x - Step 3: Cross multiply
420,716.60x = 584,508.28 × 415,672.06 - Step 4: Simplify right side
420,716.60x = 242,963,758,334.21 - Step 5: Solve for x
x = 242,963,758,334.21/420,716.60 - Step 6: Final answer
x = 577,499.82
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These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.