Finding the Fourth Proportional to 674,753.46, 931,159.70 and 368,831.07
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Solution
The fourth proportional to 674,753.46, 931,159.70 and 368,831.07 is: 508,986.83
Step by Step Solution
- Step 1: Write the proportion equation
674,753.46 : 931,159.70 = 368,831.07 : x - Step 2: Convert to fraction form
674,753.46/931,159.70 = 368,831.07/x - Step 3: Cross multiply
674,753.46x = 931,159.70 × 368,831.07 - Step 4: Simplify right side
674,753.46x = 343,440,623,836.08 - Step 5: Solve for x
x = 343,440,623,836.08/674,753.46 - Step 6: Final answer
x = 508,986.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.