Finding the Fourth Proportional to 742,527.16, 1,024,688 and 402,995.44
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Solution
The fourth proportional to 742,527.16, 1,024,688 and 402,995.44 is: 556,133.99
Step by Step Solution
- Step 1: Write the proportion equation
742,527.16 : 1,024,688 = 402,995.44 : x - Step 2: Convert to fraction form
742,527.16/1,024,688 = 402,995.44/x - Step 3: Cross multiply
742,527.16x = 1,024,688 × 402,995.44 - Step 4: Simplify right side
742,527.16x = 412,944,591,422.72 - Step 5: Solve for x
x = 412,944,591,422.72/742,527.16 - Step 6: Final answer
x = 556,133.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.