Finding the Fourth Proportional to 798,829.88, 1,102,393.98 and 436,264.40
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Solution
The fourth proportional to 798,829.88, 1,102,393.98 and 436,264.40 is: 602,049.65
Step by Step Solution
- Step 1: Write the proportion equation
798,829.88 : 1,102,393.98 = 436,264.40 : x - Step 2: Convert to fraction form
798,829.88/1,102,393.98 = 436,264.40/x - Step 3: Cross multiply
798,829.88x = 1,102,393.98 × 436,264.40 - Step 4: Simplify right side
798,829.88x = 480,935,248,248.31 - Step 5: Solve for x
x = 480,935,248,248.31/798,829.88 - Step 6: Final answer
x = 602,049.65
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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.