Finding the Fourth Proportional to 1,005,347.84, 1,387,344.84 and 552,635.60
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Solution
The fourth proportional to 1,005,347.84, 1,387,344.84 and 552,635.60 is: 762,617.79
Step by Step Solution
- Step 1: Write the proportion equation
1,005,347.84 : 1,387,344.84 = 552,635.60 : x - Step 2: Convert to fraction form
1,005,347.84/1,387,344.84 = 552,635.60/x - Step 3: Cross multiply
1,005,347.84x = 1,387,344.84 × 552,635.60 - Step 4: Simplify right side
1,005,347.84x = 766,696,148,060.30 - Step 5: Solve for x
x = 766,696,148,060.30/1,005,347.84 - Step 6: Final answer
x = 762,617.79
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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.