Finding the Fourth Proportional to 931,358.02, 1,395,868.35 and 398,252.17
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Solution
The fourth proportional to 931,358.02, 1,395,868.35 and 398,252.17 is: 596,878.52
Step by Step Solution
- Step 1: Write the proportion equation
931,358.02 : 1,395,868.35 = 398,252.17 : x - Step 2: Convert to fraction form
931,358.02/1,395,868.35 = 398,252.17/x - Step 3: Cross multiply
931,358.02x = 1,395,868.35 × 398,252.17 - Step 4: Simplify right side
931,358.02x = 555,907,599,421.82 - Step 5: Solve for x
x = 555,907,599,421.82/931,358.02 - Step 6: Final answer
x = 596,878.52
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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.