Finding the Fourth Proportional to 657,497.70, 986,246.55 and 480,350.70
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Solution
The fourth proportional to 657,497.70, 986,246.55 and 480,350.70 is: 720,526.05
Step by Step Solution
- Step 1: Write the proportion equation
657,497.70 : 986,246.55 = 480,350.70 : x - Step 2: Convert to fraction form
657,497.70/986,246.55 = 480,350.70/x - Step 3: Cross multiply
657,497.70x = 986,246.55 × 480,350.70 - Step 4: Simplify right side
657,497.70x = 473,744,220,665.09 - Step 5: Solve for x
x = 473,744,220,665.09/657,497.70 - Step 6: Final answer
x = 720,526.05
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Double scale
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Similar ratio
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1.5x scale
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.