Finding the Fourth Proportional to 957,031.19, 1,320,732.95 and 549,207.63
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Solution
The fourth proportional to 957,031.19, 1,320,732.95 and 549,207.63 is: 757,923.69
Step by Step Solution
- Step 1: Write the proportion equation
957,031.19 : 1,320,732.95 = 549,207.63 : x - Step 2: Convert to fraction form
957,031.19/1,320,732.95 = 549,207.63/x - Step 3: Cross multiply
957,031.19x = 1,320,732.95 × 549,207.63 - Step 4: Simplify right side
957,031.19x = 725,356,613,332.41 - Step 5: Solve for x
x = 725,356,613,332.41/957,031.19 - Step 6: Final answer
x = 757,923.69
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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.