Finding the Fourth Proportional to 817,053.92, 1,127,534.36 and 459,357.92
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Solution
The fourth proportional to 817,053.92, 1,127,534.36 and 459,357.92 is: 633,913.90
Step by Step Solution
- Step 1: Write the proportion equation
817,053.92 : 1,127,534.36 = 459,357.92 : x - Step 2: Convert to fraction form
817,053.92/1,127,534.36 = 459,357.92/x - Step 3: Cross multiply
817,053.92x = 1,127,534.36 × 459,357.92 - Step 4: Simplify right side
817,053.92x = 517,941,838,338.13 - Step 5: Solve for x
x = 517,941,838,338.13/817,053.92 - Step 6: Final answer
x = 633,913.90
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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.