Finding the Fourth Proportional to 742,363.38, 1,024,464.11 and 402,831.63
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Solution
The fourth proportional to 742,363.38, 1,024,464.11 and 402,831.63 is: 555,909.08
Step by Step Solution
- Step 1: Write the proportion equation
742,363.38 : 1,024,464.11 = 402,831.63 : x - Step 2: Convert to fraction form
742,363.38/1,024,464.11 = 402,831.63/x - Step 3: Cross multiply
742,363.38x = 1,024,464.11 × 402,831.63 - Step 4: Simplify right side
742,363.38x = 412,686,545,293.64 - Step 5: Solve for x
x = 412,686,545,293.64/742,363.38 - Step 6: Final answer
x = 555,909.08
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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.