Finding the Fourth Proportional to 934,019.12, 1,288,708.56 and 571,310.48
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Solution
The fourth proportional to 934,019.12, 1,288,708.56 and 571,310.48 is: 788,262.99
Step by Step Solution
- Step 1: Write the proportion equation
934,019.12 : 1,288,708.56 = 571,310.48 : x - Step 2: Convert to fraction form
934,019.12/1,288,708.56 = 571,310.48/x - Step 3: Cross multiply
934,019.12x = 1,288,708.56 × 571,310.48 - Step 4: Simplify right side
934,019.12x = 736,252,705,993.71 - Step 5: Solve for x
x = 736,252,705,993.71/934,019.12 - Step 6: Final answer
x = 788,262.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.