Finding the Fourth Proportional to 841,178.57, 1,160,831.14 and 478,602.42
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Solution
The fourth proportional to 841,178.57, 1,160,831.14 and 478,602.42 is: 660,474.02
Step by Step Solution
- Step 1: Write the proportion equation
841,178.57 : 1,160,831.14 = 478,602.42 : x - Step 2: Convert to fraction form
841,178.57/1,160,831.14 = 478,602.42/x - Step 3: Cross multiply
841,178.57x = 1,160,831.14 × 478,602.42 - Step 4: Simplify right side
841,178.57x = 555,576,592,815.36 - Step 5: Solve for x
x = 555,576,592,815.36/841,178.57 - Step 6: Final answer
x = 660,474.02
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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.