Finding the Fourth Proportional to 775,483.40, 1,069,730.12 and 453,125.08
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Solution
The fourth proportional to 775,483.40, 1,069,730.12 and 453,125.08 is: 625,057.28
Step by Step Solution
- Step 1: Write the proportion equation
775,483.40 : 1,069,730.12 = 453,125.08 : x - Step 2: Convert to fraction form
775,483.40/1,069,730.12 = 453,125.08/x - Step 3: Cross multiply
775,483.40x = 1,069,730.12 × 453,125.08 - Step 4: Simplify right side
775,483.40x = 484,721,546,203.41 - Step 5: Solve for x
x = 484,721,546,203.41/775,483.40 - Step 6: Final answer
x = 625,057.28
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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.