Finding the Fourth Proportional to 745,932.93, 1,119,230.16 and 390,862.53
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Solution
The fourth proportional to 745,932.93, 1,119,230.16 and 390,862.53 is: 586,467.11
Step by Step Solution
- Step 1: Write the proportion equation
745,932.93 : 1,119,230.16 = 390,862.53 : x - Step 2: Convert to fraction form
745,932.93/1,119,230.16 = 390,862.53/x - Step 3: Cross multiply
745,932.93x = 1,119,230.16 × 390,862.53 - Step 4: Simplify right side
745,932.93x = 437,465,131,989.91 - Step 5: Solve for x
x = 437,465,131,989.91/745,932.93 - Step 6: Final answer
x = 586,467.11
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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.