Finding the Fourth Proportional to 779,584.76, 1,169,487.92 and 239,885.81
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Solution
The fourth proportional to 779,584.76, 1,169,487.92 and 239,885.81 is: 359,862.80
Step by Step Solution
- Step 1: Write the proportion equation
779,584.76 : 1,169,487.92 = 239,885.81 : x - Step 2: Convert to fraction form
779,584.76/1,169,487.92 = 239,885.81/x - Step 3: Cross multiply
779,584.76x = 1,169,487.92 × 239,885.81 - Step 4: Simplify right side
779,584.76x = 280,543,556,974.42 - Step 5: Solve for x
x = 280,543,556,974.42/779,584.76 - Step 6: Final answer
x = 359,862.80
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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.