Finding the Fourth Proportional to 562,253.65, 775,918.79 and 307,609.09
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Solution
The fourth proportional to 562,253.65, 775,918.79 and 307,609.09 is: 424,505.33
Step by Step Solution
- Step 1: Write the proportion equation
562,253.65 : 775,918.79 = 307,609.09 : x - Step 2: Convert to fraction form
562,253.65/775,918.79 = 307,609.09/x - Step 3: Cross multiply
562,253.65x = 775,918.79 × 307,609.09 - Step 4: Simplify right side
562,253.65x = 238,679,671,367.76 - Step 5: Solve for x
x = 238,679,671,367.76/562,253.65 - Step 6: Final answer
x = 424,505.33
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.