Finding the Fourth Proportional to 758,065.12, 1,046,132.08 and 413,904.02
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Solution
The fourth proportional to 758,065.12, 1,046,132.08 and 413,904.02 is: 571,188.75
Step by Step Solution
- Step 1: Write the proportion equation
758,065.12 : 1,046,132.08 = 413,904.02 : x - Step 2: Convert to fraction form
758,065.12/1,046,132.08 = 413,904.02/x - Step 3: Cross multiply
758,065.12x = 1,046,132.08 × 413,904.02 - Step 4: Simplify right side
758,065.12x = 432,998,267,097.54 - Step 5: Solve for x
x = 432,998,267,097.54/758,065.12 - Step 6: Final answer
x = 571,188.75
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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.