Finding the Fourth Proportional to 630,966.10, 870,728.67 and 344,486.18
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Solution
The fourth proportional to 630,966.10, 870,728.67 and 344,486.18 is: 475,388.45
Step by Step Solution
- Step 1: Write the proportion equation
630,966.10 : 870,728.67 = 344,486.18 : x - Step 2: Convert to fraction form
630,966.10/870,728.67 = 344,486.18/x - Step 3: Cross multiply
630,966.10x = 870,728.67 × 344,486.18 - Step 4: Simplify right side
630,966.10x = 299,953,996,631.65 - Step 5: Solve for x
x = 299,953,996,631.65/630,966.10 - Step 6: Final answer
x = 475,388.45
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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.