Finding the Fourth Proportional to 671,387.35, 926,526.36 and 365,472.53
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Solution
The fourth proportional to 671,387.35, 926,526.36 and 365,472.53 is: 504,358.52
Step by Step Solution
- Step 1: Write the proportion equation
671,387.35 : 926,526.36 = 365,472.53 : x - Step 2: Convert to fraction form
671,387.35/926,526.36 = 365,472.53/x - Step 3: Cross multiply
671,387.35x = 926,526.36 × 365,472.53 - Step 4: Simplify right side
671,387.35x = 338,619,932,900.89 - Step 5: Solve for x
x = 338,619,932,900.89/671,387.35 - Step 6: Final answer
x = 504,358.52
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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.