Finding the Fourth Proportional to 956,532.79, 1,320,074.95 and 526,812.81
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Solution
The fourth proportional to 956,532.79, 1,320,074.95 and 526,812.81 is: 727,034.56
Step by Step Solution
- Step 1: Write the proportion equation
956,532.79 : 1,320,074.95 = 526,812.81 : x - Step 2: Convert to fraction form
956,532.79/1,320,074.95 = 526,812.81/x - Step 3: Cross multiply
956,532.79x = 1,320,074.95 × 526,812.81 - Step 4: Simplify right side
956,532.79x = 695,432,393,820.11 - Step 5: Solve for x
x = 695,432,393,820.11/956,532.79 - Step 6: Final answer
x = 727,034.56
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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.