Finding the Fourth Proportional to 935,657.12, 1,403,595.36 and 328,259.68
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Solution
The fourth proportional to 935,657.12, 1,403,595.36 and 328,259.68 is: 492,428.00
Step by Step Solution
- Step 1: Write the proportion equation
935,657.12 : 1,403,595.36 = 328,259.68 : x - Step 2: Convert to fraction form
935,657.12/1,403,595.36 = 328,259.68/x - Step 3: Cross multiply
935,657.12x = 1,403,595.36 × 328,259.68 - Step 4: Simplify right side
935,657.12x = 460,743,763,723.09 - Step 5: Solve for x
x = 460,743,763,723.09/935,657.12 - Step 6: Final answer
x = 492,428.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.