Finding the Fourth Proportional to 657,935.70, 986,903.55 and 657,935.70
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Solution
The fourth proportional to 657,935.70, 986,903.55 and 657,935.70 is: 986,903.55
Step by Step Solution
- Step 1: Write the proportion equation
657,935.70 : 986,903.55 = 657,935.70 : x - Step 2: Convert to fraction form
657,935.70/986,903.55 = 657,935.70/x - Step 3: Cross multiply
657,935.70x = 986,903.55 × 657,935.70 - Step 4: Simplify right side
657,935.70x = 649,319,078,001.74 - Step 5: Solve for x
x = 649,319,078,001.74/657,935.70 - Step 6: Final answer
x = 986,903.55
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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.