Finding the Fourth Proportional to 524,920.91, 724,509.36 and 321,141.71
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Solution
The fourth proportional to 524,920.91, 724,509.36 and 321,141.71 is: 443,248.07
Step by Step Solution
- Step 1: Write the proportion equation
524,920.91 : 724,509.36 = 321,141.71 : x - Step 2: Convert to fraction form
524,920.91/724,509.36 = 321,141.71/x - Step 3: Cross multiply
524,920.91x = 724,509.36 × 321,141.71 - Step 4: Simplify right side
524,920.91x = 232,670,176,592.68 - Step 5: Solve for x
x = 232,670,176,592.68/524,920.91 - Step 6: Final answer
x = 443,248.07
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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.