Finding the Fourth Proportional to 610,950.16, 843,115.92 and 339,019.12
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Solution
The fourth proportional to 610,950.16, 843,115.92 and 339,019.12 is: 467,848.99
Step by Step Solution
- Step 1: Write the proportion equation
610,950.16 : 843,115.92 = 339,019.12 : x - Step 2: Convert to fraction form
610,950.16/843,115.92 = 339,019.12/x - Step 3: Cross multiply
610,950.16x = 843,115.92 × 339,019.12 - Step 4: Simplify right side
610,950.16x = 285,832,417,256.39 - Step 5: Solve for x
x = 285,832,417,256.39/610,950.16 - Step 6: Final answer
x = 467,848.99
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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.