Finding the Fourth Proportional to 888,124.80, 1,332,199.92 and 289,089.12
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Solution
The fourth proportional to 888,124.80, 1,332,199.92 and 289,089.12 is: 433,637.82
Step by Step Solution
- Step 1: Write the proportion equation
888,124.80 : 1,332,199.92 = 289,089.12 : x - Step 2: Convert to fraction form
888,124.80/1,332,199.92 = 289,089.12/x - Step 3: Cross multiply
888,124.80x = 1,332,199.92 × 289,089.12 - Step 4: Simplify right side
888,124.80x = 385,124,502,536.87 - Step 5: Solve for x
x = 385,124,502,536.87/888,124.80 - Step 6: Final answer
x = 433,637.82
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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.