Finding the Fourth Proportional to 862,345.79, 1,292,537.81 and 524,642.06
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Solution
The fourth proportional to 862,345.79, 1,292,537.81 and 524,642.06 is: 786,366.33
Step by Step Solution
- Step 1: Write the proportion equation
862,345.79 : 1,292,537.81 = 524,642.06 : x - Step 2: Convert to fraction form
862,345.79/1,292,537.81 = 524,642.06/x - Step 3: Cross multiply
862,345.79x = 1,292,537.81 × 524,642.06 - Step 4: Simplify right side
862,345.79x = 678,119,700,858.13 - Step 5: Solve for x
x = 678,119,700,858.13/862,345.79 - Step 6: Final answer
x = 786,366.33
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.