Finding the Fourth Proportional to 708,334.74, 977,473.49 and 386,037.92
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Solution
The fourth proportional to 708,334.74, 977,473.49 and 386,037.92 is: 532,716.82
Step by Step Solution
- Step 1: Write the proportion equation
708,334.74 : 977,473.49 = 386,037.92 : x - Step 2: Convert to fraction form
708,334.74/977,473.49 = 386,037.92/x - Step 3: Cross multiply
708,334.74x = 977,473.49 × 386,037.92 - Step 4: Simplify right side
708,334.74x = 377,341,833,448.24 - Step 5: Solve for x
x = 377,341,833,448.24/708,334.74 - Step 6: Final answer
x = 532,716.82
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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.