Finding the Fourth Proportional to 946,473.84, 1,306,128.06 and 516,753.99
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Solution
The fourth proportional to 946,473.84, 1,306,128.06 and 516,753.99 is: 713,117.32
Step by Step Solution
- Step 1: Write the proportion equation
946,473.84 : 1,306,128.06 = 516,753.99 : x - Step 2: Convert to fraction form
946,473.84/1,306,128.06 = 516,753.99/x - Step 3: Cross multiply
946,473.84x = 1,306,128.06 × 516,753.99 - Step 4: Simplify right side
946,473.84x = 674,946,886,455.96 - Step 5: Solve for x
x = 674,946,886,455.96/946,473.84 - Step 6: Final answer
x = 713,117.32
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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.