Finding the Fourth Proportional to 571,503.57, 788,683.82 and 313,404.08
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Solution
The fourth proportional to 571,503.57, 788,683.82 and 313,404.08 is: 432,502.50
Step by Step Solution
- Step 1: Write the proportion equation
571,503.57 : 788,683.82 = 313,404.08 : x - Step 2: Convert to fraction form
571,503.57/788,683.82 = 313,404.08/x - Step 3: Cross multiply
571,503.57x = 788,683.82 × 313,404.08 - Step 4: Simplify right side
571,503.57x = 247,176,725,450.97 - Step 5: Solve for x
x = 247,176,725,450.97/571,503.57 - Step 6: Final answer
x = 432,502.50
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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.