Finding the Fourth Proportional to 453,871.80, 680,807.70 and 442,207.80
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Solution
The fourth proportional to 453,871.80, 680,807.70 and 442,207.80 is: 663,311.70
Step by Step Solution
- Step 1: Write the proportion equation
453,871.80 : 680,807.70 = 442,207.80 : x - Step 2: Convert to fraction form
453,871.80/680,807.70 = 442,207.80/x - Step 3: Cross multiply
453,871.80x = 680,807.70 × 442,207.80 - Step 4: Simplify right side
453,871.80x = 301,058,475,240.06 - Step 5: Solve for x
x = 301,058,475,240.06/453,871.80 - Step 6: Final answer
x = 663,311.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.