Finding the Fourth Proportional to 725,055.36, 1,087,693.68 and 369,875.58
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Solution
The fourth proportional to 725,055.36, 1,087,693.68 and 369,875.58 is: 554,869.81
Step by Step Solution
- Step 1: Write the proportion equation
725,055.36 : 1,087,693.68 = 369,875.58 : x - Step 2: Convert to fraction form
725,055.36/1,087,693.68 = 369,875.58/x - Step 3: Cross multiply
725,055.36x = 1,087,693.68 × 369,875.58 - Step 4: Simplify right side
725,055.36x = 402,311,330,752.33 - Step 5: Solve for x
x = 402,311,330,752.33/725,055.36 - Step 6: Final answer
x = 554,869.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.