Finding the Fourth Proportional to 927,902.70, 1,391,854.05 and 455,510.70
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Solution
The fourth proportional to 927,902.70, 1,391,854.05 and 455,510.70 is: 683,266.05
Step by Step Solution
- Step 1: Write the proportion equation
927,902.70 : 1,391,854.05 = 455,510.70 : x - Step 2: Convert to fraction form
927,902.70/1,391,854.05 = 455,510.70/x - Step 3: Cross multiply
927,902.70x = 1,391,854.05 × 455,510.70 - Step 4: Simplify right side
927,902.70x = 634,004,412,613.34 - Step 5: Solve for x
x = 634,004,412,613.34/927,902.70 - Step 6: Final answer
x = 683,266.05
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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.