Finding the Fourth Proportional to 956,419.62, 1,319,839.04 and 526,703.28
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Solution
The fourth proportional to 956,419.62, 1,319,839.04 and 526,703.28 is: 726,839.49
Step by Step Solution
- Step 1: Write the proportion equation
956,419.62 : 1,319,839.04 = 526,703.28 : x - Step 2: Convert to fraction form
956,419.62/1,319,839.04 = 526,703.28/x - Step 3: Cross multiply
956,419.62x = 1,319,839.04 × 526,703.28 - Step 4: Simplify right side
956,419.62x = 695,163,551,440.05 - Step 5: Solve for x
x = 695,163,551,440.05/956,419.62 - Step 6: Final answer
x = 726,839.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.