Finding the Fourth Proportional to 1,017,643.20, 1,526,686.20 and 307,652.70
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Solution
The fourth proportional to 1,017,643.20, 1,526,686.20 and 307,652.70 is: 461,545.98
Step by Step Solution
- Step 1: Write the proportion equation
1,017,643.20 : 1,526,686.20 = 307,652.70 : x - Step 2: Convert to fraction form
1,017,643.20/1,526,686.20 = 307,652.70/x - Step 3: Cross multiply
1,017,643.20x = 1,526,686.20 × 307,652.70 - Step 4: Simplify right side
1,017,643.20x = 469,689,131,482.74 - Step 5: Solve for x
x = 469,689,131,482.74/1,017,643.20 - Step 6: Final answer
x = 461,545.98
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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.