Finding the Fourth Proportional to 630,544.28, 870,153.36 and 344,070.68
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Solution
The fourth proportional to 630,544.28, 870,153.36 and 344,070.68 is: 474,818.77
Step by Step Solution
- Step 1: Write the proportion equation
630,544.28 : 870,153.36 = 344,070.68 : x - Step 2: Convert to fraction form
630,544.28/870,153.36 = 344,070.68/x - Step 3: Cross multiply
630,544.28x = 870,153.36 × 344,070.68 - Step 4: Simplify right side
630,544.28x = 299,394,258,279.49 - Step 5: Solve for x
x = 299,394,258,279.49/630,544.28 - Step 6: Final answer
x = 474,818.77
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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.