Finding the Fourth Proportional to 747,488.00, 1,031,519.04 and 407,958.68
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Solution
The fourth proportional to 747,488.00, 1,031,519.04 and 407,958.68 is: 562,975.12
Step by Step Solution
- Step 1: Write the proportion equation
747,488.00 : 1,031,519.04 = 407,958.68 : x - Step 2: Convert to fraction form
747,488.00/1,031,519.04 = 407,958.68/x - Step 3: Cross multiply
747,488.00x = 1,031,519.04 × 407,958.68 - Step 4: Simplify right side
747,488.00x = 420,817,140,795.67 - Step 5: Solve for x
x = 420,817,140,795.67/747,488.00 - Step 6: Final answer
x = 562,975.12
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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.