Finding the Fourth Proportional to 1,029,269.62, 1,420,395.42 and 570,391.76
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Solution
The fourth proportional to 1,029,269.62, 1,420,395.42 and 570,391.76 is: 787,142.49
Step by Step Solution
- Step 1: Write the proportion equation
1,029,269.62 : 1,420,395.42 = 570,391.76 : x - Step 2: Convert to fraction form
1,029,269.62/1,420,395.42 = 570,391.76/x - Step 3: Cross multiply
1,029,269.62x = 1,420,395.42 × 570,391.76 - Step 4: Simplify right side
1,029,269.62x = 810,181,849,199.70 - Step 5: Solve for x
x = 810,181,849,199.70/1,029,269.62 - Step 6: Final answer
x = 787,142.49
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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.