Finding the Fourth Proportional to 743,089.68, 1,025,463.96 and 403,557.84
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Solution
The fourth proportional to 743,089.68, 1,025,463.96 and 403,557.84 is: 556,909.93
Step by Step Solution
- Step 1: Write the proportion equation
743,089.68 : 1,025,463.96 = 403,557.84 : x - Step 2: Convert to fraction form
743,089.68/1,025,463.96 = 403,557.84/x - Step 3: Cross multiply
743,089.68x = 1,025,463.96 × 403,557.84 - Step 4: Simplify right side
743,089.68x = 413,834,020,695.45 - Step 5: Solve for x
x = 413,834,020,695.45/743,089.68 - Step 6: Final answer
x = 556,909.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.