Finding the Fourth Proportional to 776,228.24, 1,163,948.76 and 355,143.32
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Solution
The fourth proportional to 776,228.24, 1,163,948.76 and 355,143.32 is: 532,534.90
Step by Step Solution
- Step 1: Write the proportion equation
776,228.24 : 1,163,948.76 = 355,143.32 : x - Step 2: Convert to fraction form
776,228.24/1,163,948.76 = 355,143.32/x - Step 3: Cross multiply
776,228.24x = 1,163,948.76 × 355,143.32 - Step 4: Simplify right side
776,228.24x = 413,368,626,936.28 - Step 5: Solve for x
x = 413,368,626,936.28/776,228.24 - Step 6: Final answer
x = 532,534.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.