Finding the Fourth Proportional to 1,039,545.81, 1,559,373.99 and 329,629.80
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Solution
The fourth proportional to 1,039,545.81, 1,559,373.99 and 329,629.80 is: 494,462.23
Step by Step Solution
- Step 1: Write the proportion equation
1,039,545.81 : 1,559,373.99 = 329,629.80 : x - Step 2: Convert to fraction form
1,039,545.81/1,559,373.99 = 329,629.80/x - Step 3: Cross multiply
1,039,545.81x = 1,559,373.99 × 329,629.80 - Step 4: Simplify right side
1,039,545.81x = 514,016,136,448.90 - Step 5: Solve for x
x = 514,016,136,448.90/1,039,545.81 - Step 6: Final answer
x = 494,462.23
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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.