Finding the Fourth Proportional to 526,724.74, 726,878.67 and 285,011.41
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Solution
The fourth proportional to 526,724.74, 726,878.67 and 285,011.41 is: 393,314.95
Step by Step Solution
- Step 1: Write the proportion equation
526,724.74 : 726,878.67 = 285,011.41 : x - Step 2: Convert to fraction form
526,724.74/726,878.67 = 285,011.41/x - Step 3: Cross multiply
526,724.74x = 726,878.67 × 285,011.41 - Step 4: Simplify right side
526,724.74x = 207,168,714,635.63 - Step 5: Solve for x
x = 207,168,714,635.63/526,724.74 - Step 6: Final answer
x = 393,314.95
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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.