Finding the Fourth Proportional to 806,987.07, 1,113,590.84 and 484,710.75
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Solution
The fourth proportional to 806,987.07, 1,113,590.84 and 484,710.75 is: 668,870.01
Step by Step Solution
- Step 1: Write the proportion equation
806,987.07 : 1,113,590.84 = 484,710.75 : x - Step 2: Convert to fraction form
806,987.07/1,113,590.84 = 484,710.75/x - Step 3: Cross multiply
806,987.07x = 1,113,590.84 × 484,710.75 - Step 4: Simplify right side
806,987.07x = 539,769,448,825.98 - Step 5: Solve for x
x = 539,769,448,825.98/806,987.07 - Step 6: Final answer
x = 668,870.01
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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.