Finding the Fourth Proportional to 745,665.30, 1,118,497.95 and 682,679.70
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Solution
The fourth proportional to 745,665.30, 1,118,497.95 and 682,679.70 is: 1,024,019.55
Step by Step Solution
- Step 1: Write the proportion equation
745,665.30 : 1,118,497.95 = 682,679.70 : x - Step 2: Convert to fraction form
745,665.30/1,118,497.95 = 682,679.70/x - Step 3: Cross multiply
745,665.30x = 1,118,497.95 × 682,679.70 - Step 4: Simplify right side
745,665.30x = 763,575,844,956.62 - Step 5: Solve for x
x = 763,575,844,956.62/745,665.30 - Step 6: Final answer
x = 1,024,019.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.