Finding the Fourth Proportional to 906,756.05, 1,251,323.33 and 498,849.12
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Solution
The fourth proportional to 906,756.05, 1,251,323.33 and 498,849.12 is: 688,411.77
Step by Step Solution
- Step 1: Write the proportion equation
906,756.05 : 1,251,323.33 = 498,849.12 : x - Step 2: Convert to fraction form
906,756.05/1,251,323.33 = 498,849.12/x - Step 3: Cross multiply
906,756.05x = 1,251,323.33 × 498,849.12 - Step 4: Simplify right side
906,756.05x = 624,221,539,511.72 - Step 5: Solve for x
x = 624,221,539,511.72/906,756.05 - Step 6: Final answer
x = 688,411.77
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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.