Finding the Fourth Proportional to 448,030.43, 670,495.60 and 429,429.99
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Solution
The fourth proportional to 448,030.43, 670,495.60 and 429,429.99 is: 642,659.29
Step by Step Solution
- Step 1: Write the proportion equation
448,030.43 : 670,495.60 = 429,429.99 : x - Step 2: Convert to fraction form
448,030.43/670,495.60 = 429,429.99/x - Step 3: Cross multiply
448,030.43x = 670,495.60 × 429,429.99 - Step 4: Simplify right side
448,030.43x = 287,930,918,803.04 - Step 5: Solve for x
x = 287,930,918,803.04/448,030.43 - Step 6: Final answer
x = 642,659.29
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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.