Finding the Fourth Proportional to 698,831.70, 1,045,655.55 and 512,207.70
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Solution
The fourth proportional to 698,831.70, 1,045,655.55 and 512,207.70 is: 766,411.75
Step by Step Solution
- Step 1: Write the proportion equation
698,831.70 : 1,045,655.55 = 512,207.70 : x - Step 2: Convert to fraction form
698,831.70/1,045,655.55 = 512,207.70/x - Step 3: Cross multiply
698,831.70x = 1,045,655.55 × 512,207.70 - Step 4: Simplify right side
698,831.70x = 535,592,824,257.74 - Step 5: Solve for x
x = 535,592,824,257.74/698,831.70 - Step 6: Final answer
x = 766,411.75
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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.