Finding the Fourth Proportional to 514,827.92, 709,674.98 and 361,435.79
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Solution
The fourth proportional to 514,827.92, 709,674.98 and 361,435.79 is: 498,228.48
Step by Step Solution
- Step 1: Write the proportion equation
514,827.92 : 709,674.98 = 361,435.79 : x - Step 2: Convert to fraction form
514,827.92/709,674.98 = 361,435.79/x - Step 3: Cross multiply
514,827.92x = 709,674.98 × 361,435.79 - Step 4: Simplify right side
514,827.92x = 256,501,931,683.98 - Step 5: Solve for x
x = 256,501,931,683.98/514,827.92 - Step 6: Final answer
x = 498,228.48
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1.5x scale
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.