Finding the Fourth Proportional to 805,453.77, 1,111,497.75 and 442,875.09
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Solution
The fourth proportional to 805,453.77, 1,111,497.75 and 442,875.09 is: 611,151.98
Step by Step Solution
- Step 1: Write the proportion equation
805,453.77 : 1,111,497.75 = 442,875.09 : x - Step 2: Convert to fraction form
805,453.77/1,111,497.75 = 442,875.09/x - Step 3: Cross multiply
805,453.77x = 1,111,497.75 × 442,875.09 - Step 4: Simplify right side
805,453.77x = 492,254,666,066.05 - Step 5: Solve for x
x = 492,254,666,066.05/805,453.77 - Step 6: Final answer
x = 611,151.98
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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.