Finding the Fourth Proportional to 526,778.05, 726,955.62 and 285,060.59
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Solution
The fourth proportional to 526,778.05, 726,955.62 and 285,060.59 is: 393,384.65
Step by Step Solution
- Step 1: Write the proportion equation
526,778.05 : 726,955.62 = 285,060.59 : x - Step 2: Convert to fraction form
526,778.05/726,955.62 = 285,060.59/x - Step 3: Cross multiply
526,778.05x = 726,955.62 × 285,060.59 - Step 4: Simplify right side
526,778.05x = 207,226,399,758.41 - Step 5: Solve for x
x = 207,226,399,758.41/526,778.05 - Step 6: Final answer
x = 393,384.65
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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.