Finding the Fourth Proportional to 742,678.04, 1,025,064.24 and 471,120.68
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Solution
The fourth proportional to 742,678.04, 1,025,064.24 and 471,120.68 is: 650,253.46
Step by Step Solution
- Step 1: Write the proportion equation
742,678.04 : 1,025,064.24 = 471,120.68 : x - Step 2: Convert to fraction form
742,678.04/1,025,064.24 = 471,120.68/x - Step 3: Cross multiply
742,678.04x = 1,025,064.24 × 471,120.68 - Step 4: Simplify right side
742,678.04x = 482,928,961,792.48 - Step 5: Solve for x
x = 482,928,961,792.48/742,678.04 - Step 6: Final answer
x = 650,253.46
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1.5x scale
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.