Finding the Fourth Proportional to 719,036.94, 992,291.76 and 396,767.79
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Solution
The fourth proportional to 719,036.94, 992,291.76 and 396,767.79 is: 547,551.02
Step by Step Solution
- Step 1: Write the proportion equation
719,036.94 : 992,291.76 = 396,767.79 : x - Step 2: Convert to fraction form
719,036.94/992,291.76 = 396,767.79/x - Step 3: Cross multiply
719,036.94x = 992,291.76 × 396,767.79 - Step 4: Simplify right side
719,036.94x = 393,709,408,650.41 - Step 5: Solve for x
x = 393,709,408,650.41/719,036.94 - Step 6: Final answer
x = 547,551.02
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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.