Finding the Fourth Proportional to 709,592.18, 1,064,929.71 and 260,738.42
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Solution
The fourth proportional to 709,592.18, 1,064,929.71 and 260,738.42 is: 391,306.58
Step by Step Solution
- Step 1: Write the proportion equation
709,592.18 : 1,064,929.71 = 260,738.42 : x - Step 2: Convert to fraction form
709,592.18/1,064,929.71 = 260,738.42/x - Step 3: Cross multiply
709,592.18x = 1,064,929.71 × 260,738.42 - Step 4: Simplify right side
709,592.18x = 277,668,089,996.46 - Step 5: Solve for x
x = 277,668,089,996.46/709,592.18 - Step 6: Final answer
x = 391,306.58
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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.