Finding the Fourth Proportional to 528,724.70, 729,652.41 and 313,865.58
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Solution
The fourth proportional to 528,724.70, 729,652.41 and 313,865.58 is: 433,141.82
Step by Step Solution
- Step 1: Write the proportion equation
528,724.70 : 729,652.41 = 313,865.58 : x - Step 2: Convert to fraction form
528,724.70/729,652.41 = 313,865.58/x - Step 3: Cross multiply
528,724.70x = 729,652.41 × 313,865.58 - Step 4: Simplify right side
528,724.70x = 229,012,776,863.05 - Step 5: Solve for x
x = 229,012,776,863.05/528,724.70 - Step 6: Final answer
x = 433,141.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.