Finding the Fourth Proportional to 817,477.68, 1,226,268.36 and 256,534.32
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Solution
The fourth proportional to 817,477.68, 1,226,268.36 and 256,534.32 is: 384,817.75
Step by Step Solution
- Step 1: Write the proportion equation
817,477.68 : 1,226,268.36 = 256,534.32 : x - Step 2: Convert to fraction form
817,477.68/1,226,268.36 = 256,534.32/x - Step 3: Cross multiply
817,477.68x = 1,226,268.36 × 256,534.32 - Step 4: Simplify right side
817,477.68x = 314,579,919,870.12 - Step 5: Solve for x
x = 314,579,919,870.12/817,477.68 - Step 6: Final answer
x = 384,817.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.