Finding the Fourth Proportional to 1,029,806.18, 1,421,216.75 and 571,064.65
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Solution
The fourth proportional to 1,029,806.18, 1,421,216.75 and 571,064.65 is: 788,115.92
Step by Step Solution
- Step 1: Write the proportion equation
1,029,806.18 : 1,421,216.75 = 571,064.65 : x - Step 2: Convert to fraction form
1,029,806.18/1,421,216.75 = 571,064.65/x - Step 3: Cross multiply
1,029,806.18x = 1,421,216.75 × 571,064.65 - Step 4: Simplify right side
1,029,806.18x = 811,606,643,240.05 - Step 5: Solve for x
x = 811,606,643,240.05/1,029,806.18 - Step 6: Final answer
x = 788,115.92
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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.