Finding the Fourth Proportional to 781,228.04, 1,169,931.12 and 705,497.63
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Solution
The fourth proportional to 781,228.04, 1,169,931.12 and 705,497.63 is: 1,056,520.75
Step by Step Solution
- Step 1: Write the proportion equation
781,228.04 : 1,169,931.12 = 705,497.63 : x - Step 2: Convert to fraction form
781,228.04/1,169,931.12 = 705,497.63/x - Step 3: Cross multiply
781,228.04x = 1,169,931.12 × 705,497.63 - Step 4: Simplify right side
781,228.04x = 825,383,626,573.59 - Step 5: Solve for x
x = 825,383,626,573.59/781,228.04 - Step 6: Final answer
x = 1,056,520.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.