Finding the Fourth Proportional to 885,724.74, 1,328,798.07 and 286,686
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Solution
The fourth proportional to 885,724.74, 1,328,798.07 and 286,686 is: 430,097.28
Step by Step Solution
- Step 1: Write the proportion equation
885,724.74 : 1,328,798.07 = 286,686 : x - Step 2: Convert to fraction form
885,724.74/1,328,798.07 = 286,686/x - Step 3: Cross multiply
885,724.74x = 1,328,798.07 × 286,686 - Step 4: Simplify right side
885,724.74x = 380,947,803,496.02 - Step 5: Solve for x
x = 380,947,803,496.02/885,724.74 - Step 6: Final answer
x = 430,097.28
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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.