Finding the Fourth Proportional to 1,011,695.24, 1,396,136.58 and 558,983
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Solution
The fourth proportional to 1,011,695.24, 1,396,136.58 and 558,983 is: 771,394.96
Step by Step Solution
- Step 1: Write the proportion equation
1,011,695.24 : 1,396,136.58 = 558,983 : x - Step 2: Convert to fraction form
1,011,695.24/1,396,136.58 = 558,983/x - Step 3: Cross multiply
1,011,695.24x = 1,396,136.58 × 558,983 - Step 4: Simplify right side
1,011,695.24x = 780,416,613,898.14 - Step 5: Solve for x
x = 780,416,613,898.14/1,011,695.24 - Step 6: Final answer
x = 771,394.96
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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.