Finding the Fourth Proportional to 986,595.75, 1,361,503.35 and 533,886.75
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Solution
The fourth proportional to 986,595.75, 1,361,503.35 and 533,886.75 is: 736,764.37
Step by Step Solution
- Step 1: Write the proportion equation
986,595.75 : 1,361,503.35 = 533,886.75 : x - Step 2: Convert to fraction form
986,595.75/1,361,503.35 = 533,886.75/x - Step 3: Cross multiply
986,595.75x = 1,361,503.35 × 533,886.75 - Step 4: Simplify right side
986,595.75x = 726,888,598,645.61 - Step 5: Solve for x
x = 726,888,598,645.61/986,595.75 - Step 6: Final answer
x = 736,764.37
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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.