Finding the Fourth Proportional to 517,739.04, 714,313.08 and 291,340.80
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Solution
The fourth proportional to 517,739.04, 714,313.08 and 291,340.80 is: 401,956.45
Step by Step Solution
- Step 1: Write the proportion equation
517,739.04 : 714,313.08 = 291,340.80 : x - Step 2: Convert to fraction form
517,739.04/714,313.08 = 291,340.80/x - Step 3: Cross multiply
517,739.04x = 714,313.08 × 291,340.80 - Step 4: Simplify right side
517,739.04x = 208,108,544,177.66 - Step 5: Solve for x
x = 208,108,544,177.66/517,739.04 - Step 6: Final answer
x = 401,956.45
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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.