Finding the Fourth Proportional to 716,436.16, 988,924.68 and 444,663.14
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Solution
The fourth proportional to 716,436.16, 988,924.68 and 444,663.14 is: 613,785.82
Step by Step Solution
- Step 1: Write the proportion equation
716,436.16 : 988,924.68 = 444,663.14 : x - Step 2: Convert to fraction form
716,436.16/988,924.68 = 444,663.14/x - Step 3: Cross multiply
716,436.16x = 988,924.68 × 444,663.14 - Step 4: Simplify right side
716,436.16x = 439,738,353,432.30 - Step 5: Solve for x
x = 439,738,353,432.30/716,436.16 - Step 6: Final answer
x = 613,785.82
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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.