Finding the Fourth Proportional to 946,176.05, 1,306,089.06 and 564,231.08
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Solution
The fourth proportional to 946,176.05, 1,306,089.06 and 564,231.08 is: 778,857.21
Step by Step Solution
- Step 1: Write the proportion equation
946,176.05 : 1,306,089.06 = 564,231.08 : x - Step 2: Convert to fraction form
946,176.05/1,306,089.06 = 564,231.08/x - Step 3: Cross multiply
946,176.05x = 1,306,089.06 × 564,231.08 - Step 4: Simplify right side
946,176.05x = 736,936,042,049.34 - Step 5: Solve for x
x = 736,936,042,049.34/946,176.05 - Step 6: Final answer
x = 778,857.21
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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.