Finding the Fourth Proportional to 943,776.99, 1,415,125.76 and 438,077.79
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Solution
The fourth proportional to 943,776.99, 1,415,125.76 and 438,077.79 is: 656,866.16
Step by Step Solution
- Step 1: Write the proportion equation
943,776.99 : 1,415,125.76 = 438,077.79 : x - Step 2: Convert to fraction form
943,776.99/1,415,125.76 = 438,077.79/x - Step 3: Cross multiply
943,776.99x = 1,415,125.76 × 438,077.79 - Step 4: Simplify right side
943,776.99x = 619,935,163,322.48 - Step 5: Solve for x
x = 619,935,163,322.48/943,776.99 - Step 6: Final answer
x = 656,866.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.