Finding the Fourth Proportional to 1,535,431.78, 2,303,064.57 and 470,476.99
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Solution
The fourth proportional to 1,535,431.78, 2,303,064.57 and 470,476.99 is: 705,690.02
Step by Step Solution
- Step 1: Write the proportion equation
1,535,431.78 : 2,303,064.57 = 470,476.99 : x - Step 2: Convert to fraction form
1,535,431.78/2,303,064.57 = 470,476.99/x - Step 3: Cross multiply
1,535,431.78x = 2,303,064.57 × 470,476.99 - Step 4: Simplify right side
1,535,431.78x = 1,083,538,875,153.92 - Step 5: Solve for x
x = 1,083,538,875,153.92/1,535,431.78 - Step 6: Final answer
x = 705,690.02
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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.