Finding the Fourth Proportional to 506,018.88, 698,628.08 and 315,312.48
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Solution
The fourth proportional to 506,018.88, 698,628.08 and 315,312.48 is: 435,331.88
Step by Step Solution
- Step 1: Write the proportion equation
506,018.88 : 698,628.08 = 315,312.48 : x - Step 2: Convert to fraction form
506,018.88/698,628.08 = 315,312.48/x - Step 3: Cross multiply
506,018.88x = 698,628.08 × 315,312.48 - Step 4: Simplify right side
506,018.88x = 220,286,152,502.44 - Step 5: Solve for x
x = 220,286,152,502.44/506,018.88 - Step 6: Final answer
x = 435,331.88
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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.