Finding the Fourth Proportional to 520,973.80, 781,426.14 and 236,596.84
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Solution
The fourth proportional to 520,973.80, 781,426.14 and 236,596.84 is: 354,879.56
Step by Step Solution
- Step 1: Write the proportion equation
520,973.80 : 781,426.14 = 236,596.84 : x - Step 2: Convert to fraction form
520,973.80/781,426.14 = 236,596.84/x - Step 3: Cross multiply
520,973.80x = 781,426.14 × 236,596.84 - Step 4: Simplify right side
520,973.80x = 184,882,955,417.40 - Step 5: Solve for x
x = 184,882,955,417.40/520,973.80 - Step 6: Final answer
x = 354,879.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.