Finding the Fourth Proportional to 464,971.74, 641,963.61 and 283,788.71
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Solution
The fourth proportional to 464,971.74, 641,963.61 and 283,788.71 is: 391,813.12
Step by Step Solution
- Step 1: Write the proportion equation
464,971.74 : 641,963.61 = 283,788.71 : x - Step 2: Convert to fraction form
464,971.74/641,963.61 = 283,788.71/x - Step 3: Cross multiply
464,971.74x = 641,963.61 × 283,788.71 - Step 4: Simplify right side
464,971.74x = 182,182,027,557.43 - Step 5: Solve for x
x = 182,182,027,557.43/464,971.74 - Step 6: Final answer
x = 391,813.12
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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.