Finding the Fourth Proportional to 677,946.58, 935,334.54 and 387,349.63
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Solution
The fourth proportional to 677,946.58, 935,334.54 and 387,349.63 is: 534,410.09
Step by Step Solution
- Step 1: Write the proportion equation
677,946.58 : 935,334.54 = 387,349.63 : x - Step 2: Convert to fraction form
677,946.58/935,334.54 = 387,349.63/x - Step 3: Cross multiply
677,946.58x = 935,334.54 × 387,349.63 - Step 4: Simplify right side
677,946.58x = 362,301,487,995.22 - Step 5: Solve for x
x = 362,301,487,995.22/677,946.58 - Step 6: Final answer
x = 534,410.09
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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.