Finding the Fourth Proportional to 657,031.83, 906,694.74 and 370,644.18
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Solution
The fourth proportional to 657,031.83, 906,694.74 and 370,644.18 is: 511,483.79
Step by Step Solution
- Step 1: Write the proportion equation
657,031.83 : 906,694.74 = 370,644.18 : x - Step 2: Convert to fraction form
657,031.83/906,694.74 = 370,644.18/x - Step 3: Cross multiply
657,031.83x = 906,694.74 × 370,644.18 - Step 4: Simplify right side
657,031.83x = 336,061,128,417.61 - Step 5: Solve for x
x = 336,061,128,417.61/657,031.83 - Step 6: Final answer
x = 511,483.79
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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.