Finding the Fourth Proportional to 752,662.84, 1,038,678.06 and 413,133.88
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Solution
The fourth proportional to 752,662.84, 1,038,678.06 and 413,133.88 is: 570,126.59
Step by Step Solution
- Step 1: Write the proportion equation
752,662.84 : 1,038,678.06 = 413,133.88 : x - Step 2: Convert to fraction form
752,662.84/1,038,678.06 = 413,133.88/x - Step 3: Cross multiply
752,662.84x = 1,038,678.06 × 413,133.88 - Step 4: Simplify right side
752,662.84x = 429,113,096,998.67 - Step 5: Solve for x
x = 429,113,096,998.67/752,662.84 - Step 6: Final answer
x = 570,126.59
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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.