Finding the Fourth Proportional to 964,734.83, 1,331,267.95 and 534,974.75
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Solution
The fourth proportional to 964,734.83, 1,331,267.95 and 534,974.75 is: 738,228.49
Step by Step Solution
- Step 1: Write the proportion equation
964,734.83 : 1,331,267.95 = 534,974.75 : x - Step 2: Convert to fraction form
964,734.83/1,331,267.95 = 534,974.75/x - Step 3: Cross multiply
964,734.83x = 1,331,267.95 × 534,974.75 - Step 4: Simplify right side
964,734.83x = 712,194,730,740.49 - Step 5: Solve for x
x = 712,194,730,740.49/964,734.83 - Step 6: Final answer
x = 738,228.49
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1.5x scale
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.