Finding the Fourth Proportional to 434,590.70, 651,886.05 and 418,844.30
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Solution
The fourth proportional to 434,590.70, 651,886.05 and 418,844.30 is: 628,266.45
Step by Step Solution
- Step 1: Write the proportion equation
434,590.70 : 651,886.05 = 418,844.30 : x - Step 2: Convert to fraction form
434,590.70/651,886.05 = 418,844.30/x - Step 3: Cross multiply
434,590.70x = 651,886.05 × 418,844.30 - Step 4: Simplify right side
434,590.70x = 273,038,756,292.02 - Step 5: Solve for x
x = 273,038,756,292.02/434,590.70 - Step 6: Final answer
x = 628,266.45
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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.