Finding the Fourth Proportional to 665,867.79, 918,883.71 and 364,061.79
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Solution
The fourth proportional to 665,867.79, 918,883.71 and 364,061.79 is: 502,397.70
Step by Step Solution
- Step 1: Write the proportion equation
665,867.79 : 918,883.71 = 364,061.79 : x - Step 2: Convert to fraction form
665,867.79/918,883.71 = 364,061.79/x - Step 3: Cross multiply
665,867.79x = 918,883.71 × 364,061.79 - Step 4: Simplify right side
665,867.79x = 334,530,448,264.44 - Step 5: Solve for x
x = 334,530,448,264.44/665,867.79 - Step 6: Final answer
x = 502,397.70
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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.