Finding the Fourth Proportional to 960,176.30, 1,440,651.74 and 427,332.87
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Solution
The fourth proportional to 960,176.30, 1,440,651.74 and 427,332.87 is: 641,171.67
Step by Step Solution
- Step 1: Write the proportion equation
960,176.30 : 1,440,651.74 = 427,332.87 : x - Step 2: Convert to fraction form
960,176.30/1,440,651.74 = 427,332.87/x - Step 3: Cross multiply
960,176.30x = 1,440,651.74 × 427,332.87 - Step 4: Simplify right side
960,176.30x = 615,637,840,588.03 - Step 5: Solve for x
x = 615,637,840,588.03/960,176.30 - Step 6: Final answer
x = 641,171.67
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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.