Finding the Fourth Proportional to 610,809.24, 916,311.06 and 295,289.40
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Solution
The fourth proportional to 610,809.24, 916,311.06 and 295,289.40 is: 442,981.09
Step by Step Solution
- Step 1: Write the proportion equation
610,809.24 : 916,311.06 = 295,289.40 : x - Step 2: Convert to fraction form
610,809.24/916,311.06 = 295,289.40/x - Step 3: Cross multiply
610,809.24x = 916,311.06 × 295,289.40 - Step 4: Simplify right side
610,809.24x = 270,576,943,120.76 - Step 5: Solve for x
x = 270,576,943,120.76/610,809.24 - Step 6: Final answer
x = 442,981.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.