Finding the Fourth Proportional to 564,691.20, 779,275.17 and 310,058.79
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Solution
The fourth proportional to 564,691.20, 779,275.17 and 310,058.79 is: 427,881.85
Step by Step Solution
- Step 1: Write the proportion equation
564,691.20 : 779,275.17 = 310,058.79 : x - Step 2: Convert to fraction form
564,691.20/779,275.17 = 310,058.79/x - Step 3: Cross multiply
564,691.20x = 779,275.17 × 310,058.79 - Step 4: Simplify right side
564,691.20x = 241,621,116,287.24 - Step 5: Solve for x
x = 241,621,116,287.24/564,691.20 - Step 6: Final answer
x = 427,881.85
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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.