Finding the Fourth Proportional to 566,527.68, 781,778.16 and 311,829.84
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Solution
The fourth proportional to 566,527.68, 781,778.16 and 311,829.84 is: 430,308.65
Step by Step Solution
- Step 1: Write the proportion equation
566,527.68 : 781,778.16 = 311,829.84 : x - Step 2: Convert to fraction form
566,527.68/781,778.16 = 311,829.84/x - Step 3: Cross multiply
566,527.68x = 781,778.16 × 311,829.84 - Step 4: Simplify right side
566,527.68x = 243,781,758,548.29 - Step 5: Solve for x
x = 243,781,758,548.29/566,527.68 - Step 6: Final answer
x = 430,308.65
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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.