Finding the Fourth Proportional to 950,253.57, 1,311,353.70 and 520,536.69
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Solution
The fourth proportional to 950,253.57, 1,311,353.70 and 520,536.69 is: 718,342.70
Step by Step Solution
- Step 1: Write the proportion equation
950,253.57 : 1,311,353.70 = 520,536.69 : x - Step 2: Convert to fraction form
950,253.57/1,311,353.70 = 520,536.69/x - Step 3: Cross multiply
950,253.57x = 1,311,353.70 × 520,536.69 - Step 4: Simplify right side
950,253.57x = 682,607,714,417.25 - Step 5: Solve for x
x = 682,607,714,417.25/950,253.57 - Step 6: Final answer
x = 718,342.70
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1.5x scale
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.