Finding the Fourth Proportional to 512,267.08, 706,924.74 and 282,824.32
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Solution
The fourth proportional to 512,267.08, 706,924.74 and 282,824.32 is: 390,295.45
Step by Step Solution
- Step 1: Write the proportion equation
512,267.08 : 706,924.74 = 282,824.32 : x - Step 2: Convert to fraction form
512,267.08/706,924.74 = 282,824.32/x - Step 3: Cross multiply
512,267.08x = 706,924.74 × 282,824.32 - Step 4: Simplify right side
512,267.08x = 199,935,508,881.68 - Step 5: Solve for x
x = 199,935,508,881.68/512,267.08 - Step 6: Final answer
x = 390,295.45
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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.