Finding the Fourth Proportional to 766,271.28, 1,149,407.16 and 316,497.84
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Solution
The fourth proportional to 766,271.28, 1,149,407.16 and 316,497.84 is: 474,746.86
Step by Step Solution
- Step 1: Write the proportion equation
766,271.28 : 1,149,407.16 = 316,497.84 : x - Step 2: Convert to fraction form
766,271.28/1,149,407.16 = 316,497.84/x - Step 3: Cross multiply
766,271.28x = 1,149,407.16 × 316,497.84 - Step 4: Simplify right side
766,271.28x = 363,784,883,420.53 - Step 5: Solve for x
x = 363,784,883,420.53/766,271.28 - Step 6: Final answer
x = 474,746.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.