Finding the Fourth Proportional to 713,708.60, 1,069,655.70 and 292,508.60
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Solution
The fourth proportional to 713,708.60, 1,069,655.70 and 292,508.60 is: 438,391.09
Step by Step Solution
- Step 1: Write the proportion equation
713,708.60 : 1,069,655.70 = 292,508.60 : x - Step 2: Convert to fraction form
713,708.60/1,069,655.70 = 292,508.60/x - Step 3: Cross multiply
713,708.60x = 1,069,655.70 × 292,508.60 - Step 4: Simplify right side
713,708.60x = 312,883,491,289.02 - Step 5: Solve for x
x = 312,883,491,289.02/713,708.60 - Step 6: Final answer
x = 438,391.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.