Finding the Fourth Proportional to 841,877.98, 1,263,315.20 and 309,772.68
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Solution
The fourth proportional to 841,877.98, 1,263,315.20 and 309,772.68 is: 464,842.35
Step by Step Solution
- Step 1: Write the proportion equation
841,877.98 : 1,263,315.20 = 309,772.68 : x - Step 2: Convert to fraction form
841,877.98/1,263,315.20 = 309,772.68/x - Step 3: Cross multiply
841,877.98x = 1,263,315.20 × 309,772.68 - Step 4: Simplify right side
841,877.98x = 391,340,535,188.74 - Step 5: Solve for x
x = 391,340,535,188.74/841,877.98 - Step 6: Final answer
x = 464,842.35
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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.