Finding the Fourth Proportional to 610,823.34, 843,010.99 and 352,699.63
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Solution
The fourth proportional to 610,823.34, 843,010.99 and 352,699.63 is: 486,768.66
Step by Step Solution
- Step 1: Write the proportion equation
610,823.34 : 843,010.99 = 352,699.63 : x - Step 2: Convert to fraction form
610,823.34/843,010.99 = 352,699.63/x - Step 3: Cross multiply
610,823.34x = 843,010.99 × 352,699.63 - Step 4: Simplify right side
610,823.34x = 297,329,661,269.66 - Step 5: Solve for x
x = 297,329,661,269.66/610,823.34 - Step 6: Final answer
x = 486,768.66
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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.