Finding the Fourth Proportional to 873,868.05, 1,310,931.18 and 447,644.97
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Solution
The fourth proportional to 873,868.05, 1,310,931.18 and 447,644.97 is: 671,533.59
Step by Step Solution
- Step 1: Write the proportion equation
873,868.05 : 1,310,931.18 = 447,644.97 : x - Step 2: Convert to fraction form
873,868.05/1,310,931.18 = 447,644.97/x - Step 3: Cross multiply
873,868.05x = 1,310,931.18 × 447,644.97 - Step 4: Simplify right side
873,868.05x = 586,831,748,743.17 - Step 5: Solve for x
x = 586,831,748,743.17/873,868.05 - Step 6: Final answer
x = 671,533.59
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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.