Finding the Fourth Proportional to 835,776.70, 1,153,339.50 and 453,794.74
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Solution
The fourth proportional to 835,776.70, 1,153,339.50 and 453,794.74 is: 626,219.18
Step by Step Solution
- Step 1: Write the proportion equation
835,776.70 : 1,153,339.50 = 453,794.74 : x - Step 2: Convert to fraction form
835,776.70/1,153,339.50 = 453,794.74/x - Step 3: Cross multiply
835,776.70x = 1,153,339.50 × 453,794.74 - Step 4: Simplify right side
835,776.70x = 523,379,398,534.23 - Step 5: Solve for x
x = 523,379,398,534.23/835,776.70 - Step 6: Final answer
x = 626,219.18
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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.