Finding the Fourth Proportional to 566,572.68, 781,840.62 and 311,874.12
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Solution
The fourth proportional to 566,572.68, 781,840.62 and 311,874.12 is: 430,369.95
Step by Step Solution
- Step 1: Write the proportion equation
566,572.68 : 781,840.62 = 311,874.12 : x - Step 2: Convert to fraction form
566,572.68/781,840.62 = 311,874.12/x - Step 3: Cross multiply
566,572.68x = 781,840.62 × 311,874.12 - Step 4: Simplify right side
566,572.68x = 243,835,855,342.75 - Step 5: Solve for x
x = 243,835,855,342.75/566,572.68 - Step 6: Final answer
x = 430,369.95
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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.