Finding the Fourth Proportional to 539,006.40, 807,634.80 and 338,968.80
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Solution
The fourth proportional to 539,006.40, 807,634.80 and 338,968.80 is: 507,903.06
Step by Step Solution
- Step 1: Write the proportion equation
539,006.40 : 807,634.80 = 338,968.80 : x - Step 2: Convert to fraction form
539,006.40/807,634.80 = 338,968.80/x - Step 3: Cross multiply
539,006.40x = 807,634.80 × 338,968.80 - Step 4: Simplify right side
539,006.40x = 273,762,998,994.24 - Step 5: Solve for x
x = 273,762,998,994.24/539,006.40 - Step 6: Final answer
x = 507,903.06
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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.