Finding the Fourth Proportional to 817,723, 1,128,468.44 and 450,242.88
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Solution
The fourth proportional to 817,723, 1,128,468.44 and 450,242.88 is: 621,341.07
Step by Step Solution
- Step 1: Write the proportion equation
817,723 : 1,128,468.44 = 450,242.88 : x - Step 2: Convert to fraction form
817,723/1,128,468.44 = 450,242.88/x - Step 3: Cross multiply
817,723x = 1,128,468.44 × 450,242.88 - Step 4: Simplify right side
817,723x = 508,084,880,414.71 - Step 5: Solve for x
x = 508,084,880,414.71/817,723 - Step 6: Final answer
x = 621,341.07
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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.