Finding the Fourth Proportional to 857,246.88, 1,182,998.56 and 475,263.84
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Solution
The fourth proportional to 857,246.88, 1,182,998.56 and 475,263.84 is: 655,862.92
Step by Step Solution
- Step 1: Write the proportion equation
857,246.88 : 1,182,998.56 = 475,263.84 : x - Step 2: Convert to fraction form
857,246.88/1,182,998.56 = 475,263.84/x - Step 3: Cross multiply
857,246.88x = 1,182,998.56 × 475,263.84 - Step 4: Simplify right side
857,246.88x = 562,236,438,340.07 - Step 5: Solve for x
x = 562,236,438,340.07/857,246.88 - Step 6: Final answer
x = 655,862.92
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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.