Finding the Fourth Proportional to 913,045.12, 1,260,405.86 and 545,651.91
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Solution
The fourth proportional to 913,045.12, 1,260,405.86 and 545,651.91 is: 753,240.83
Step by Step Solution
- Step 1: Write the proportion equation
913,045.12 : 1,260,405.86 = 545,651.91 : x - Step 2: Convert to fraction form
913,045.12/1,260,405.86 = 545,651.91/x - Step 3: Cross multiply
913,045.12x = 1,260,405.86 × 545,651.91 - Step 4: Simplify right side
913,045.12x = 687,742,862,155.93 - Step 5: Solve for x
x = 687,742,862,155.93/913,045.12 - Step 6: Final answer
x = 753,240.83
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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.