Finding the Fourth Proportional to 716,451.70, 988,773.12 and 534,848.28
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Solution
The fourth proportional to 716,451.70, 988,773.12 and 534,848.28 is: 738,142.72
Step by Step Solution
- Step 1: Write the proportion equation
716,451.70 : 988,773.12 = 534,848.28 : x - Step 2: Convert to fraction form
716,451.70/988,773.12 = 534,848.28/x - Step 3: Cross multiply
716,451.70x = 988,773.12 × 534,848.28 - Step 4: Simplify right side
716,451.70x = 528,843,602,542.23 - Step 5: Solve for x
x = 528,843,602,542.23/716,451.70 - Step 6: Final answer
x = 738,142.72
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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.