Finding the Fourth Proportional to 718,929.68, 1,077,285.95 and 353,772.09
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Solution
The fourth proportional to 718,929.68, 1,077,285.95 and 353,772.09 is: 530,112.63
Step by Step Solution
- Step 1: Write the proportion equation
718,929.68 : 1,077,285.95 = 353,772.09 : x - Step 2: Convert to fraction form
718,929.68/1,077,285.95 = 353,772.09/x - Step 3: Cross multiply
718,929.68x = 1,077,285.95 × 353,772.09 - Step 4: Simplify right side
718,929.68x = 381,113,700,290.28 - Step 5: Solve for x
x = 381,113,700,290.28/718,929.68 - Step 6: Final answer
x = 530,112.63
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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.