Finding the Fourth Proportional to 615,268.80, 859,276.80 and 615,268.80
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Solution
The fourth proportional to 615,268.80, 859,276.80 and 615,268.80 is: 859,276.80
Step by Step Solution
- Step 1: Write the proportion equation
615,268.80 : 859,276.80 = 615,268.80 : x - Step 2: Convert to fraction form
615,268.80/859,276.80 = 615,268.80/x - Step 3: Cross multiply
615,268.80x = 859,276.80 × 615,268.80 - Step 4: Simplify right side
615,268.80x = 528,686,205,603.84 - Step 5: Solve for x
x = 528,686,205,603.84/615,268.80 - Step 6: Final answer
x = 859,276.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.