Finding the Fourth Proportional to 832,359.28, 1,148,652.12 and 450,392.80
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Solution
The fourth proportional to 832,359.28, 1,148,652.12 and 450,392.80 is: 621,540.07
Step by Step Solution
- Step 1: Write the proportion equation
832,359.28 : 1,148,652.12 = 450,392.80 : x - Step 2: Convert to fraction form
832,359.28/1,148,652.12 = 450,392.80/x - Step 3: Cross multiply
832,359.28x = 1,148,652.12 × 450,392.80 - Step 4: Simplify right side
832,359.28x = 517,344,644,552.74 - Step 5: Solve for x
x = 517,344,644,552.74/832,359.28 - Step 6: Final answer
x = 621,540.07
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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.