Finding the Fourth Proportional to 750,913.08, 1,036,260.14 and 449,107
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Solution
The fourth proportional to 750,913.08, 1,036,260.14 and 449,107 is: 619,767.71
Step by Step Solution
- Step 1: Write the proportion equation
750,913.08 : 1,036,260.14 = 449,107 : x - Step 2: Convert to fraction form
750,913.08/1,036,260.14 = 449,107/x - Step 3: Cross multiply
750,913.08x = 1,036,260.14 × 449,107 - Step 4: Simplify right side
750,913.08x = 465,391,682,694.98 - Step 5: Solve for x
x = 465,391,682,694.98/750,913.08 - Step 6: Final answer
x = 619,767.71
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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.