Finding the Fourth Proportional to 544,525.99, 751,335.74 and 318,127.75
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Solution
The fourth proportional to 544,525.99, 751,335.74 and 318,127.75 is: 438,951.96
Step by Step Solution
- Step 1: Write the proportion equation
544,525.99 : 751,335.74 = 318,127.75 : x - Step 2: Convert to fraction form
544,525.99/751,335.74 = 318,127.75/x - Step 3: Cross multiply
544,525.99x = 751,335.74 × 318,127.75 - Step 4: Simplify right side
544,525.99x = 239,020,748,460.79 - Step 5: Solve for x
x = 239,020,748,460.79/544,525.99 - Step 6: Final answer
x = 438,951.96
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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.