Finding the Fourth Proportional to 842,918.88, 1,163,248.29 and 480,334.98
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Solution
The fourth proportional to 842,918.88, 1,163,248.29 and 480,334.98 is: 662,873.80
Step by Step Solution
- Step 1: Write the proportion equation
842,918.88 : 1,163,248.29 = 480,334.98 : x - Step 2: Convert to fraction form
842,918.88/1,163,248.29 = 480,334.98/x - Step 3: Cross multiply
842,918.88x = 1,163,248.29 × 480,334.98 - Step 4: Simplify right side
842,918.88x = 558,748,844,112.18 - Step 5: Solve for x
x = 558,748,844,112.18/842,918.88 - Step 6: Final answer
x = 662,873.80
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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.