Finding the Fourth Proportional to 742,228.08, 1,113,268.29 and 342,863.08
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Solution
The fourth proportional to 742,228.08, 1,113,268.29 and 342,863.08 is: 514,260.51
Step by Step Solution
- Step 1: Write the proportion equation
742,228.08 : 1,113,268.29 = 342,863.08 : x - Step 2: Convert to fraction form
742,228.08/1,113,268.29 = 342,863.08/x - Step 3: Cross multiply
742,228.08x = 1,113,268.29 × 342,863.08 - Step 4: Simplify right side
742,228.08x = 381,698,590,706.83 - Step 5: Solve for x
x = 381,698,590,706.83/742,228.08 - Step 6: Final answer
x = 514,260.51
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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.