Finding the Fourth Proportional to 629,210.70, 868,323.96 and 342,730.08
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Solution
The fourth proportional to 629,210.70, 868,323.96 and 342,730.08 is: 472,974.70
Step by Step Solution
- Step 1: Write the proportion equation
629,210.70 : 868,323.96 = 342,730.08 : x - Step 2: Convert to fraction form
629,210.70/868,323.96 = 342,730.08/x - Step 3: Cross multiply
629,210.70x = 868,323.96 × 342,730.08 - Step 4: Simplify right side
629,210.70x = 297,600,740,276.72 - Step 5: Solve for x
x = 297,600,740,276.72/629,210.70 - Step 6: Final answer
x = 472,974.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.