Finding the Fourth Proportional to 669,071.34, 922,898.52 and 396,946.62
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Solution
The fourth proportional to 669,071.34, 922,898.52 and 396,946.62 is: 547,537.20
Step by Step Solution
- Step 1: Write the proportion equation
669,071.34 : 922,898.52 = 396,946.62 : x - Step 2: Convert to fraction form
669,071.34/922,898.52 = 396,946.62/x - Step 3: Cross multiply
669,071.34x = 922,898.52 × 396,946.62 - Step 4: Simplify right side
669,071.34x = 366,341,448,117.00 - Step 5: Solve for x
x = 366,341,448,117.00/669,071.34 - Step 6: Final answer
x = 547,537.20
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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.