Finding the Fourth Proportional to 646,747.70, 970,558.95 and 362,437.70
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Solution
The fourth proportional to 646,747.70, 970,558.95 and 362,437.70 is: 543,901.67
Step by Step Solution
- Step 1: Write the proportion equation
646,747.70 : 970,558.95 = 362,437.70 : x - Step 2: Convert to fraction form
646,747.70/970,558.95 = 362,437.70/x - Step 3: Cross multiply
646,747.70x = 970,558.95 × 362,437.70 - Step 4: Simplify right side
646,747.70x = 351,767,153,552.42 - Step 5: Solve for x
x = 351,767,153,552.42/646,747.70 - Step 6: Final answer
x = 543,901.67
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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.