Finding the Fourth Proportional to 1,009,271.48, 1,392,731.02 and 579,248.92
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Solution
The fourth proportional to 1,009,271.48, 1,392,731.02 and 579,248.92 is: 799,326.99
Step by Step Solution
- Step 1: Write the proportion equation
1,009,271.48 : 1,392,731.02 = 579,248.92 : x - Step 2: Convert to fraction form
1,009,271.48/1,392,731.02 = 579,248.92/x - Step 3: Cross multiply
1,009,271.48x = 1,392,731.02 × 579,248.92 - Step 4: Simplify right side
1,009,271.48x = 806,737,939,185.50 - Step 5: Solve for x
x = 806,737,939,185.50/1,009,271.48 - Step 6: Final answer
x = 799,326.99
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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.