Finding the Fourth Proportional to 579,502.70, 812,409.70 and 579,502.70
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Solution
The fourth proportional to 579,502.70, 812,409.70 and 579,502.70 is: 812,409.70
Step by Step Solution
- Step 1: Write the proportion equation
579,502.70 : 812,409.70 = 579,502.70 : x - Step 2: Convert to fraction form
579,502.70/812,409.70 = 579,502.70/x - Step 3: Cross multiply
579,502.70x = 812,409.70 × 579,502.70 - Step 4: Simplify right side
579,502.70x = 470,793,614,656.19 - Step 5: Solve for x
x = 470,793,614,656.19/579,502.70 - Step 6: Final answer
x = 812,409.70
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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.