Finding the Fourth Proportional to 686,283.64, 946,844.43 and 414,248.18
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Solution
The fourth proportional to 686,283.64, 946,844.43 and 414,248.18 is: 571,525.48
Step by Step Solution
- Step 1: Write the proportion equation
686,283.64 : 946,844.43 = 414,248.18 : x - Step 2: Convert to fraction form
686,283.64/946,844.43 = 414,248.18/x - Step 3: Cross multiply
686,283.64x = 946,844.43 × 414,248.18 - Step 4: Simplify right side
686,283.64x = 392,228,581,870.64 - Step 5: Solve for x
x = 392,228,581,870.64/686,283.64 - Step 6: Final answer
x = 571,525.48
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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.