Finding the Fourth Proportional to 961,750.20, 1,442,625.30 and 400,711.80
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Solution
The fourth proportional to 961,750.20, 1,442,625.30 and 400,711.80 is: 601,067.70
Step by Step Solution
- Step 1: Write the proportion equation
961,750.20 : 1,442,625.30 = 400,711.80 : x - Step 2: Convert to fraction form
961,750.20/1,442,625.30 = 400,711.80/x - Step 3: Cross multiply
961,750.20x = 1,442,625.30 × 400,711.80 - Step 4: Simplify right side
961,750.20x = 578,076,980,688.54 - Step 5: Solve for x
x = 578,076,980,688.54/961,750.20 - Step 6: Final answer
x = 601,067.70
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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.