Finding the Fourth Proportional to 781,545.44, 1,172,305.36 and 249,059.36
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Solution
The fourth proportional to 781,545.44, 1,172,305.36 and 249,059.36 is: 373,584.96
Step by Step Solution
- Step 1: Write the proportion equation
781,545.44 : 1,172,305.36 = 249,059.36 : x - Step 2: Convert to fraction form
781,545.44/1,172,305.36 = 249,059.36/x - Step 3: Cross multiply
781,545.44x = 1,172,305.36 × 249,059.36 - Step 4: Simplify right side
781,545.44x = 291,973,622,686.17 - Step 5: Solve for x
x = 291,973,622,686.17/781,545.44 - Step 6: Final answer
x = 373,584.96
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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.