Finding the Fourth Proportional to 669,482.98, 923,427.99 and 427,658.17
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Solution
The fourth proportional to 669,482.98, 923,427.99 and 427,658.17 is: 589,875.38
Step by Step Solution
- Step 1: Write the proportion equation
669,482.98 : 923,427.99 = 427,658.17 : x - Step 2: Convert to fraction form
669,482.98/923,427.99 = 427,658.17/x - Step 3: Cross multiply
669,482.98x = 923,427.99 × 427,658.17 - Step 4: Simplify right side
669,482.98x = 394,911,524,330.18 - Step 5: Solve for x
x = 394,911,524,330.18/669,482.98 - Step 6: Final answer
x = 589,875.38
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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.