Finding the Fourth Proportional to 685,482.27, 945,831.11 and 430,685.84
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Solution
The fourth proportional to 685,482.27, 945,831.11 and 430,685.84 is: 594,261.99
Step by Step Solution
- Step 1: Write the proportion equation
685,482.27 : 945,831.11 = 430,685.84 : x - Step 2: Convert to fraction form
685,482.27/945,831.11 = 430,685.84/x - Step 3: Cross multiply
685,482.27x = 945,831.11 × 430,685.84 - Step 4: Simplify right side
685,482.27x = 407,356,059,225.90 - Step 5: Solve for x
x = 407,356,059,225.90/685,482.27 - Step 6: Final answer
x = 594,261.99
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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.