Finding the Fourth Proportional to 961,305.77, 1,442,825.36 and 512,400.53
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Solution
The fourth proportional to 961,305.77, 1,442,825.36 and 512,400.53 is: 769,062.77
Step by Step Solution
- Step 1: Write the proportion equation
961,305.77 : 1,442,825.36 = 512,400.53 : x - Step 2: Convert to fraction form
961,305.77/1,442,825.36 = 512,400.53/x - Step 3: Cross multiply
961,305.77x = 1,442,825.36 × 512,400.53 - Step 4: Simplify right side
961,305.77x = 739,304,482,128.00 - Step 5: Solve for x
x = 739,304,482,128.00/961,305.77 - Step 6: Final answer
x = 769,062.77
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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.