Finding the Fourth Proportional to 616,295.79, 850,439.76 and 340,642.05
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Solution
The fourth proportional to 616,295.79, 850,439.76 and 340,642.05 is: 470,059.27
Step by Step Solution
- Step 1: Write the proportion equation
616,295.79 : 850,439.76 = 340,642.05 : x - Step 2: Convert to fraction form
616,295.79/850,439.76 = 340,642.05/x - Step 3: Cross multiply
616,295.79x = 850,439.76 × 340,642.05 - Step 4: Simplify right side
616,295.79x = 289,695,546,437.06 - Step 5: Solve for x
x = 289,695,546,437.06/616,295.79 - Step 6: Final answer
x = 470,059.27
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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.