Finding the Fourth Proportional to 956,521.74, 1,320,059.68 and 526,801.75
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Solution
The fourth proportional to 956,521.74, 1,320,059.68 and 526,801.75 is: 727,019.29
Step by Step Solution
- Step 1: Write the proportion equation
956,521.74 : 1,320,059.68 = 526,801.75 : x - Step 2: Convert to fraction form
956,521.74/1,320,059.68 = 526,801.75/x - Step 3: Cross multiply
956,521.74x = 1,320,059.68 × 526,801.75 - Step 4: Simplify right side
956,521.74x = 695,409,751,587.21 - Step 5: Solve for x
x = 695,409,751,587.21/956,521.74 - Step 6: Final answer
x = 727,019.29
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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.