Finding the Fourth Proportional to 933,715.97, 1,288,582.95 and 571,209.31
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Solution
The fourth proportional to 933,715.97, 1,288,582.95 and 571,209.31 is: 788,302.44
Step by Step Solution
- Step 1: Write the proportion equation
933,715.97 : 1,288,582.95 = 571,209.31 : x - Step 2: Convert to fraction form
933,715.97/1,288,582.95 = 571,209.31/x - Step 3: Cross multiply
933,715.97x = 1,288,582.95 × 571,209.31 - Step 4: Simplify right side
933,715.97x = 736,050,577,747.27 - Step 5: Solve for x
x = 736,050,577,747.27/933,715.97 - Step 6: Final answer
x = 788,302.44
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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.