Finding the Fourth Proportional to 601,809.66, 830,013.07 and 529,056.99
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Solution
The fourth proportional to 601,809.66, 830,013.07 and 529,056.99 is: 729,672.94
Step by Step Solution
- Step 1: Write the proportion equation
601,809.66 : 830,013.07 = 529,056.99 : x - Step 2: Convert to fraction form
601,809.66/830,013.07 = 529,056.99/x - Step 3: Cross multiply
601,809.66x = 830,013.07 × 529,056.99 - Step 4: Simplify right side
601,809.66x = 439,124,218,048.96 - Step 5: Solve for x
x = 439,124,218,048.96/601,809.66 - Step 6: Final answer
x = 729,672.94
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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.