Finding the Fourth Proportional to 886,681.98, 1,330,210.02 and 287,596.62
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Solution
The fourth proportional to 886,681.98, 1,330,210.02 and 287,596.62 is: 431,455.60
Step by Step Solution
- Step 1: Write the proportion equation
886,681.98 : 1,330,210.02 = 287,596.62 : x - Step 2: Convert to fraction form
886,681.98/1,330,210.02 = 287,596.62/x - Step 3: Cross multiply
886,681.98x = 1,330,210.02 × 287,596.62 - Step 4: Simplify right side
886,681.98x = 382,563,905,642.13 - Step 5: Solve for x
x = 382,563,905,642.13/886,681.98 - Step 6: Final answer
x = 431,455.60
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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.