Finding the Fourth Proportional to 578,657.72, 798,349.02 and 336,847.88
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Solution
The fourth proportional to 578,657.72, 798,349.02 and 336,847.88 is: 464,734.45
Step by Step Solution
- Step 1: Write the proportion equation
578,657.72 : 798,349.02 = 336,847.88 : x - Step 2: Convert to fraction form
578,657.72/798,349.02 = 336,847.88/x - Step 3: Cross multiply
578,657.72x = 798,349.02 × 336,847.88 - Step 4: Simplify right side
578,657.72x = 268,922,174,887.08 - Step 5: Solve for x
x = 268,922,174,887.08/578,657.72 - Step 6: Final answer
x = 464,734.45
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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.