Finding the Fourth Proportional to 1,011,854.08, 1,396,359.12 and 559,145.08
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Solution
The fourth proportional to 1,011,854.08, 1,396,359.12 and 559,145.08 is: 771,620.48
Step by Step Solution
- Step 1: Write the proportion equation
1,011,854.08 : 1,396,359.12 = 559,145.08 : x - Step 2: Convert to fraction form
1,011,854.08/1,396,359.12 = 559,145.08/x - Step 3: Cross multiply
1,011,854.08x = 1,396,359.12 × 559,145.08 - Step 4: Simplify right side
1,011,854.08x = 780,767,331,861.13 - Step 5: Solve for x
x = 780,767,331,861.13/1,011,854.08 - Step 6: Final answer
x = 771,620.48
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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.