Finding the Fourth Proportional to 630,696.60, 870,363.72 and 344,223
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Solution
The fourth proportional to 630,696.60, 870,363.72 and 344,223 is: 475,029.06
Step by Step Solution
- Step 1: Write the proportion equation
630,696.60 : 870,363.72 = 344,223 : x - Step 2: Convert to fraction form
630,696.60/870,363.72 = 344,223/x - Step 3: Cross multiply
630,696.60x = 870,363.72 × 344,223 - Step 4: Simplify right side
630,696.60x = 299,599,210,789.56 - Step 5: Solve for x
x = 299,599,210,789.56/630,696.60 - Step 6: Final answer
x = 475,029.06
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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.