Finding the Fourth Proportional to 931,647.79, 1,285,676.08 and 523,752.99
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Solution
The fourth proportional to 931,647.79, 1,285,676.08 and 523,752.99 is: 722,780.32
Step by Step Solution
- Step 1: Write the proportion equation
931,647.79 : 1,285,676.08 = 523,752.99 : x - Step 2: Convert to fraction form
931,647.79/1,285,676.08 = 523,752.99/x - Step 3: Cross multiply
931,647.79x = 1,285,676.08 × 523,752.99 - Step 4: Simplify right side
931,647.79x = 673,376,684,940.81 - Step 5: Solve for x
x = 673,376,684,940.81/931,647.79 - Step 6: Final answer
x = 722,780.32
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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.