Finding the Fourth Proportional to 815,279.75, 1,221,587.97 and 495,529.41
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Solution
The fourth proportional to 815,279.75, 1,221,587.97 and 495,529.41 is: 742,484.74
Step by Step Solution
- Step 1: Write the proportion equation
815,279.75 : 1,221,587.97 = 495,529.41 : x - Step 2: Convert to fraction form
815,279.75/1,221,587.97 = 495,529.41/x - Step 3: Cross multiply
815,279.75x = 1,221,587.97 × 495,529.41 - Step 4: Simplify right side
815,279.75x = 605,332,766,037.20 - Step 5: Solve for x
x = 605,332,766,037.20/815,279.75 - Step 6: Final answer
x = 742,484.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.