Finding the Fourth Proportional to 664,326.20, 996,489.30 and 464,871.80
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Solution
The fourth proportional to 664,326.20, 996,489.30 and 464,871.80 is: 697,307.70
Step by Step Solution
- Step 1: Write the proportion equation
664,326.20 : 996,489.30 = 464,871.80 : x - Step 2: Convert to fraction form
664,326.20/996,489.30 = 464,871.80/x - Step 3: Cross multiply
664,326.20x = 996,489.30 × 464,871.80 - Step 4: Simplify right side
664,326.20x = 463,239,774,571.74 - Step 5: Solve for x
x = 463,239,774,571.74/664,326.20 - Step 6: Final answer
x = 697,307.70
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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.