Finding the Fourth Proportional to 817,004.02, 1,127,449.34 and 454,420.08
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Solution
The fourth proportional to 817,004.02, 1,127,449.34 and 454,420.08 is: 627,090.70
Step by Step Solution
- Step 1: Write the proportion equation
817,004.02 : 1,127,449.34 = 454,420.08 : x - Step 2: Convert to fraction form
817,004.02/1,127,449.34 = 454,420.08/x - Step 3: Cross multiply
817,004.02x = 1,127,449.34 × 454,420.08 - Step 4: Simplify right side
817,004.02x = 512,335,619,278.75 - Step 5: Solve for x
x = 512,335,619,278.75/817,004.02 - Step 6: Final answer
x = 627,090.70
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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.