Finding the Fourth Proportional to 634,298.97, 875,791.95 and 408,338.13
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Solution
The fourth proportional to 634,298.97, 875,791.95 and 408,338.13 is: 563,802.35
Step by Step Solution
- Step 1: Write the proportion equation
634,298.97 : 875,791.95 = 408,338.13 : x - Step 2: Convert to fraction form
634,298.97/875,791.95 = 408,338.13/x - Step 3: Cross multiply
634,298.97x = 875,791.95 × 408,338.13 - Step 4: Simplify right side
634,298.97x = 357,619,247,132.05 - Step 5: Solve for x
x = 357,619,247,132.05/634,298.97 - Step 6: Final answer
x = 563,802.35
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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.