Finding the Fourth Proportional to 986,412.53, 1,360,861.97 and 572,878.91
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Solution
The fourth proportional to 986,412.53, 1,360,861.97 and 572,878.91 is: 790,347.95
Step by Step Solution
- Step 1: Write the proportion equation
986,412.53 : 1,360,861.97 = 572,878.91 : x - Step 2: Convert to fraction form
986,412.53/1,360,861.97 = 572,878.91/x - Step 3: Cross multiply
986,412.53x = 1,360,861.97 × 572,878.91 - Step 4: Simplify right side
986,412.53x = 779,609,122,571.81 - Step 5: Solve for x
x = 779,609,122,571.81/986,412.53 - Step 6: Final answer
x = 790,347.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.