Finding the Fourth Proportional to 708,339.49, 977,480.04 and 386,042.68
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Solution
The fourth proportional to 708,339.49, 977,480.04 and 386,042.68 is: 532,723.39
Step by Step Solution
- Step 1: Write the proportion equation
708,339.49 : 977,480.04 = 386,042.68 : x - Step 2: Convert to fraction form
708,339.49/977,480.04 = 386,042.68/x - Step 3: Cross multiply
708,339.49x = 977,480.04 × 386,042.68 - Step 4: Simplify right side
708,339.49x = 377,349,014,288.11 - Step 5: Solve for x
x = 377,349,014,288.11/708,339.49 - Step 6: Final answer
x = 532,723.39
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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.