Finding the Fourth Proportional to 554,415.80, 831,623.70 and 554,415.80
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Solution
The fourth proportional to 554,415.80, 831,623.70 and 554,415.80 is: 831,623.70
Step by Step Solution
- Step 1: Write the proportion equation
554,415.80 : 831,623.70 = 554,415.80 : x - Step 2: Convert to fraction form
554,415.80/831,623.70 = 554,415.80/x - Step 3: Cross multiply
554,415.80x = 831,623.70 × 554,415.80 - Step 4: Simplify right side
554,415.80x = 461,065,318,934.46 - Step 5: Solve for x
x = 461,065,318,934.46/554,415.80 - Step 6: Final answer
x = 831,623.70
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1.5x scale
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.