Finding the Fourth Proportional to 555,602.06, 766,730.12 and 300,954.26
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Solution
The fourth proportional to 555,602.06, 766,730.12 and 300,954.26 is: 415,316.49
Step by Step Solution
- Step 1: Write the proportion equation
555,602.06 : 766,730.12 = 300,954.26 : x - Step 2: Convert to fraction form
555,602.06/766,730.12 = 300,954.26/x - Step 3: Cross multiply
555,602.06x = 766,730.12 × 300,954.26 - Step 4: Simplify right side
555,602.06x = 230,750,695,884.31 - Step 5: Solve for x
x = 230,750,695,884.31/555,602.06 - Step 6: Final answer
x = 415,316.49
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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.