Finding the Fourth Proportional to 905,374.64, 1,248,863.40 and 537,602.48
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Solution
The fourth proportional to 905,374.64, 1,248,863.40 and 537,602.48 is: 741,562.70
Step by Step Solution
- Step 1: Write the proportion equation
905,374.64 : 1,248,863.40 = 537,602.48 : x - Step 2: Convert to fraction form
905,374.64/1,248,863.40 = 537,602.48/x - Step 3: Cross multiply
905,374.64x = 1,248,863.40 × 537,602.48 - Step 4: Simplify right side
905,374.64x = 671,392,061,021.23 - Step 5: Solve for x
x = 671,392,061,021.23/905,374.64 - Step 6: Final answer
x = 741,562.70
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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.