Finding the Fourth Proportional to 903,913.71, 1,355,949.36 and 296,519.91
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Solution
The fourth proportional to 903,913.71, 1,355,949.36 and 296,519.91 is: 444,805.71
Step by Step Solution
- Step 1: Write the proportion equation
903,913.71 : 1,355,949.36 = 296,519.91 : x - Step 2: Convert to fraction form
903,913.71/1,355,949.36 = 296,519.91/x - Step 3: Cross multiply
903,913.71x = 1,355,949.36 × 296,519.91 - Step 4: Simplify right side
903,913.71x = 402,065,973,929.41 - Step 5: Solve for x
x = 402,065,973,929.41/903,913.71 - Step 6: Final answer
x = 444,805.71
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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.