Finding the Fourth Proportional to 630,537.24, 870,134.16 and 344,062.08
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Solution
The fourth proportional to 630,537.24, 870,134.16 and 344,062.08 is: 474,801.72
Step by Step Solution
- Step 1: Write the proportion equation
630,537.24 : 870,134.16 = 344,062.08 : x - Step 2: Convert to fraction form
630,537.24/870,134.16 = 344,062.08/x - Step 3: Cross multiply
630,537.24x = 870,134.16 × 344,062.08 - Step 4: Simplify right side
630,537.24x = 299,380,168,968.65 - Step 5: Solve for x
x = 299,380,168,968.65/630,537.24 - Step 6: Final answer
x = 474,801.72
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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.