Finding the Fourth Proportional to 750,867.88, 1,036,271.98 and 428,626.38
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Solution
The fourth proportional to 750,867.88, 1,036,271.98 and 428,626.38 is: 591,546.82
Step by Step Solution
- Step 1: Write the proportion equation
750,867.88 : 1,036,271.98 = 428,626.38 : x - Step 2: Convert to fraction form
750,867.88/1,036,271.98 = 428,626.38/x - Step 3: Cross multiply
750,867.88x = 1,036,271.98 × 428,626.38 - Step 4: Simplify right side
750,867.88x = 444,173,507,482.83 - Step 5: Solve for x
x = 444,173,507,482.83/750,867.88 - Step 6: Final answer
x = 591,546.82
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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.