Finding the Fourth Proportional to 864,471.09, 1,191,860.91 and 708,848.95
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Solution
The fourth proportional to 864,471.09, 1,191,860.91 and 708,848.95 is: 977,302.04
Step by Step Solution
- Step 1: Write the proportion equation
864,471.09 : 1,191,860.91 = 708,848.95 : x - Step 2: Convert to fraction form
864,471.09/1,191,860.91 = 708,848.95/x - Step 3: Cross multiply
864,471.09x = 1,191,860.91 × 708,848.95 - Step 4: Simplify right side
864,471.09x = 844,849,354,760.28 - Step 5: Solve for x
x = 844,849,354,760.28/864,471.09 - Step 6: Final answer
x = 977,302.04
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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.