Finding the Fourth Proportional to 441,702.84, 609,394.62 and 288,830.46
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Solution
The fourth proportional to 441,702.84, 609,394.62 and 288,830.46 is: 398,484.48
Step by Step Solution
- Step 1: Write the proportion equation
441,702.84 : 609,394.62 = 288,830.46 : x - Step 2: Convert to fraction form
441,702.84/609,394.62 = 288,830.46/x - Step 3: Cross multiply
441,702.84x = 609,394.62 × 288,830.46 - Step 4: Simplify right side
441,702.84x = 176,011,728,416.13 - Step 5: Solve for x
x = 176,011,728,416.13/441,702.84 - Step 6: Final answer
x = 398,484.48
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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.