Finding the Fourth Proportional to 858,995.84, 1,185,430.24 and 477,058.16
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Solution
The fourth proportional to 858,995.84, 1,185,430.24 and 477,058.16 is: 658,349.14
Step by Step Solution
- Step 1: Write the proportion equation
858,995.84 : 1,185,430.24 = 477,058.16 : x - Step 2: Convert to fraction form
858,995.84/1,185,430.24 = 477,058.16/x - Step 3: Cross multiply
858,995.84x = 1,185,430.24 × 477,058.16 - Step 4: Simplify right side
858,995.84x = 565,519,169,102.76 - Step 5: Solve for x
x = 565,519,169,102.76/858,995.84 - Step 6: Final answer
x = 658,349.14
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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.