Finding the Fourth Proportional to 832,471.88, 1,148,811.12 and 450,498.65
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Solution
The fourth proportional to 832,471.88, 1,148,811.12 and 450,498.65 is: 621,688.09
Step by Step Solution
- Step 1: Write the proportion equation
832,471.88 : 1,148,811.12 = 450,498.65 : x - Step 2: Convert to fraction form
832,471.88/1,148,811.12 = 450,498.65/x - Step 3: Cross multiply
832,471.88x = 1,148,811.12 × 450,498.65 - Step 4: Simplify right side
832,471.88x = 517,537,852,920.93 - Step 5: Solve for x
x = 517,537,852,920.93/832,471.88 - Step 6: Final answer
x = 621,688.09
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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.