Finding the Fourth Proportional to 745,929.93, 1,119,225.66 and 390,859.53
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Solution
The fourth proportional to 745,929.93, 1,119,225.66 and 390,859.53 is: 586,462.61
Step by Step Solution
- Step 1: Write the proportion equation
745,929.93 : 1,119,225.66 = 390,859.53 : x - Step 2: Convert to fraction form
745,929.93/1,119,225.66 = 390,859.53/x - Step 3: Cross multiply
745,929.93x = 1,119,225.66 × 390,859.53 - Step 4: Simplify right side
745,929.93x = 437,460,015,431.54 - Step 5: Solve for x
x = 437,460,015,431.54/745,929.93 - Step 6: Final answer
x = 586,462.61
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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.