Finding the Fourth Proportional to 660,026.70, 989,845.65 and 260,534.70
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Solution
The fourth proportional to 660,026.70, 989,845.65 and 260,534.70 is: 390,725.31
Step by Step Solution
- Step 1: Write the proportion equation
660,026.70 : 989,845.65 = 260,534.70 : x - Step 2: Convert to fraction form
660,026.70/989,845.65 = 260,534.70/x - Step 3: Cross multiply
660,026.70x = 989,845.65 × 260,534.70 - Step 4: Simplify right side
660,026.70x = 257,889,139,469.06 - Step 5: Solve for x
x = 257,889,139,469.06/660,026.70 - Step 6: Final answer
x = 390,725.31
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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.