Finding the Fourth Proportional to 1,011,829.79, 1,396,270.28 and 559,091.63
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Solution
The fourth proportional to 1,011,829.79, 1,396,270.28 and 559,091.63 is: 771,516.15
Step by Step Solution
- Step 1: Write the proportion equation
1,011,829.79 : 1,396,270.28 = 559,091.63 : x - Step 2: Convert to fraction form
1,011,829.79/1,396,270.28 = 559,091.63/x - Step 3: Cross multiply
1,011,829.79x = 1,396,270.28 × 559,091.63 - Step 4: Simplify right side
1,011,829.79x = 780,643,016,988.95 - Step 5: Solve for x
x = 780,643,016,988.95/1,011,829.79 - Step 6: Final answer
x = 771,516.15
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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.