Finding the Fourth Proportional to 931,701.84, 1,285,752.84 and 529,315.92
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Solution
The fourth proportional to 931,701.84, 1,285,752.84 and 529,315.92 is: 730,458.41
Step by Step Solution
- Step 1: Write the proportion equation
931,701.84 : 1,285,752.84 = 529,315.92 : x - Step 2: Convert to fraction form
931,701.84/1,285,752.84 = 529,315.92/x - Step 3: Cross multiply
931,701.84x = 1,285,752.84 × 529,315.92 - Step 4: Simplify right side
931,701.84x = 680,569,447,397.21 - Step 5: Solve for x
x = 680,569,447,397.21/931,701.84 - Step 6: Final answer
x = 730,458.41
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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.