Finding the Fourth Proportional to 1,021,043.84, 1,531,748.16 and 347,089.74
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Solution
The fourth proportional to 1,021,043.84, 1,531,748.16 and 347,089.74 is: 520,696.61
Step by Step Solution
- Step 1: Write the proportion equation
1,021,043.84 : 1,531,748.16 = 347,089.74 : x - Step 2: Convert to fraction form
1,021,043.84/1,531,748.16 = 347,089.74/x - Step 3: Cross multiply
1,021,043.84x = 1,531,748.16 × 347,089.74 - Step 4: Simplify right side
1,021,043.84x = 531,654,070,599.88 - Step 5: Solve for x
x = 531,654,070,599.88/1,021,043.84 - Step 6: Final answer
x = 520,696.61
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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.