Finding the Fourth Proportional to 676,437.48, 933,652.17 and 390,130.02
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Solution
The fourth proportional to 676,437.48, 933,652.17 and 390,130.02 is: 538,476.58
Step by Step Solution
- Step 1: Write the proportion equation
676,437.48 : 933,652.17 = 390,130.02 : x - Step 2: Convert to fraction form
676,437.48/933,652.17 = 390,130.02/x - Step 3: Cross multiply
676,437.48x = 933,652.17 × 390,130.02 - Step 4: Simplify right side
676,437.48x = 364,245,739,755.14 - Step 5: Solve for x
x = 364,245,739,755.14/676,437.48 - Step 6: Final answer
x = 538,476.58
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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.