Finding the Fourth Proportional to 630,583.30, 870,197.79 and 344,108.26
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Solution
The fourth proportional to 630,583.30, 870,197.79 and 344,108.26 is: 474,865.49
Step by Step Solution
- Step 1: Write the proportion equation
630,583.30 : 870,197.79 = 344,108.26 : x - Step 2: Convert to fraction form
630,583.30/870,197.79 = 344,108.26/x - Step 3: Cross multiply
630,583.30x = 870,197.79 × 344,108.26 - Step 4: Simplify right side
630,583.30x = 299,442,247,372.75 - Step 5: Solve for x
x = 299,442,247,372.75/630,583.30 - Step 6: Final answer
x = 474,865.49
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1.5x scale
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.