Finding the Fourth Proportional to 959,697.81, 1,439,542.58 and 390,952.08
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Solution
The fourth proportional to 959,697.81, 1,439,542.58 and 390,952.08 is: 586,426.43
Step by Step Solution
- Step 1: Write the proportion equation
959,697.81 : 1,439,542.58 = 390,952.08 : x - Step 2: Convert to fraction form
959,697.81/1,439,542.58 = 390,952.08/x - Step 3: Cross multiply
959,697.81x = 1,439,542.58 × 390,952.08 - Step 4: Simplify right side
959,697.81x = 562,792,163,944.81 - Step 5: Solve for x
x = 562,792,163,944.81/959,697.81 - Step 6: Final answer
x = 586,426.43
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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.