Finding the Fourth Proportional to 808,106.03, 1,115,134.93 and 445,510.07
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Solution
The fourth proportional to 808,106.03, 1,115,134.93 and 445,510.07 is: 614,775.56
Step by Step Solution
- Step 1: Write the proportion equation
808,106.03 : 1,115,134.93 = 445,510.07 : x - Step 2: Convert to fraction form
808,106.03/1,115,134.93 = 445,510.07/x - Step 3: Cross multiply
808,106.03x = 1,115,134.93 × 445,510.07 - Step 4: Simplify right side
808,106.03x = 496,803,840,723.75 - Step 5: Solve for x
x = 496,803,840,723.75/808,106.03 - Step 6: Final answer
x = 614,775.56
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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.