Finding the Fourth Proportional to 1,029,216.35, 1,420,363.88 and 570,329.68
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Solution
The fourth proportional to 1,029,216.35, 1,420,363.88 and 570,329.68 is: 787,080.07
Step by Step Solution
- Step 1: Write the proportion equation
1,029,216.35 : 1,420,363.88 = 570,329.68 : x - Step 2: Convert to fraction form
1,029,216.35/1,420,363.88 = 570,329.68/x - Step 3: Cross multiply
1,029,216.35x = 1,420,363.88 × 570,329.68 - Step 4: Simplify right side
1,029,216.35x = 810,075,677,163.96 - Step 5: Solve for x
x = 810,075,677,163.96/1,029,216.35 - Step 6: Final answer
x = 787,080.07
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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.