Finding the Fourth Proportional to 971,831.20, 1,457,090.70 and 516,497.80
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Solution
The fourth proportional to 971,831.20, 1,457,090.70 and 516,497.80 is: 774,398.00
Step by Step Solution
- Step 1: Write the proportion equation
971,831.20 : 1,457,090.70 = 516,497.80 : x - Step 2: Convert to fraction form
971,831.20/1,457,090.70 = 516,497.80/x - Step 3: Cross multiply
971,831.20x = 1,457,090.70 × 516,497.80 - Step 4: Simplify right side
971,831.20x = 752,584,140,950.46 - Step 5: Solve for x
x = 752,584,140,950.46/971,831.20 - Step 6: Final answer
x = 774,398.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.