Finding the Fourth Proportional to 808,531.70, 1,212,797.55 and 572,335.70
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Solution
The fourth proportional to 808,531.70, 1,212,797.55 and 572,335.70 is: 858,503.55
Step by Step Solution
- Step 1: Write the proportion equation
808,531.70 : 1,212,797.55 = 572,335.70 : x - Step 2: Convert to fraction form
808,531.70/1,212,797.55 = 572,335.70/x - Step 3: Cross multiply
808,531.70x = 1,212,797.55 × 572,335.70 - Step 4: Simplify right side
808,531.70x = 694,127,334,737.54 - Step 5: Solve for x
x = 694,127,334,737.54/808,531.70 - Step 6: Final answer
x = 858,503.55
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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.