Finding the Fourth Proportional to 630,923.37, 870,641.30 and 344,388.09
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Solution
The fourth proportional to 630,923.37, 870,641.30 and 344,388.09 is: 475,237.59
Step by Step Solution
- Step 1: Write the proportion equation
630,923.37 : 870,641.30 = 344,388.09 : x - Step 2: Convert to fraction form
630,923.37/870,641.30 = 344,388.09/x - Step 3: Cross multiply
630,923.37x = 870,641.30 × 344,388.09 - Step 4: Simplify right side
630,923.37x = 299,838,498,507.99 - Step 5: Solve for x
x = 299,838,498,507.99/630,923.37 - Step 6: Final answer
x = 475,237.59
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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.