Finding the Fourth Proportional to 954,459.81, 1,432,727.15 and 386,232.08
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Solution
The fourth proportional to 954,459.81, 1,432,727.15 and 386,232.08 is: 579,767.92
Step by Step Solution
- Step 1: Write the proportion equation
954,459.81 : 1,432,727.15 = 386,232.08 : x - Step 2: Convert to fraction form
954,459.81/1,432,727.15 = 386,232.08/x - Step 3: Cross multiply
954,459.81x = 1,432,727.15 × 386,232.08 - Step 4: Simplify right side
954,459.81x = 553,365,178,122.18 - Step 5: Solve for x
x = 553,365,178,122.18/954,459.81 - Step 6: Final answer
x = 579,767.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.