Finding the Fourth Proportional to 692,425.26, 1,038,772.35 and 265,929.75
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Solution
The fourth proportional to 692,425.26, 1,038,772.35 and 265,929.75 is: 398,946.27
Step by Step Solution
- Step 1: Write the proportion equation
692,425.26 : 1,038,772.35 = 265,929.75 : x - Step 2: Convert to fraction form
692,425.26/1,038,772.35 = 265,929.75/x - Step 3: Cross multiply
692,425.26x = 1,038,772.35 × 265,929.75 - Step 4: Simplify right side
692,425.26x = 276,240,471,342.41 - Step 5: Solve for x
x = 276,240,471,342.41/692,425.26 - Step 6: Final answer
x = 398,946.27
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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.