Finding the Fourth Proportional to 730,291.56, 1,006,597.98 and 488,487.12
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Solution
The fourth proportional to 730,291.56, 1,006,597.98 and 488,487.12 is: 673,306.63
Step by Step Solution
- Step 1: Write the proportion equation
730,291.56 : 1,006,597.98 = 488,487.12 : x - Step 2: Convert to fraction form
730,291.56/1,006,597.98 = 488,487.12/x - Step 3: Cross multiply
730,291.56x = 1,006,597.98 × 488,487.12 - Step 4: Simplify right side
730,291.56x = 491,710,148,248.02 - Step 5: Solve for x
x = 491,710,148,248.02/730,291.56 - Step 6: Final answer
x = 673,306.63
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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.