Finding the Fourth Proportional to 551,405.80, 827,108.70 and 411,437.80
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Solution
The fourth proportional to 551,405.80, 827,108.70 and 411,437.80 is: 617,156.70
Step by Step Solution
- Step 1: Write the proportion equation
551,405.80 : 827,108.70 = 411,437.80 : x - Step 2: Convert to fraction form
551,405.80/827,108.70 = 411,437.80/x - Step 3: Cross multiply
551,405.80x = 827,108.70 × 411,437.80 - Step 4: Simplify right side
551,405.80x = 340,303,783,888.86 - Step 5: Solve for x
x = 340,303,783,888.86/551,405.80 - Step 6: Final answer
x = 617,156.70
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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.