Finding the Fourth Proportional to 630,951.68, 870,676.35 and 344,414.18
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Solution
The fourth proportional to 630,951.68, 870,676.35 and 344,414.18 is: 475,271.39
Step by Step Solution
- Step 1: Write the proportion equation
630,951.68 : 870,676.35 = 344,414.18 : x - Step 2: Convert to fraction form
630,951.68/870,676.35 = 344,414.18/x - Step 3: Cross multiply
630,951.68x = 870,676.35 × 344,414.18 - Step 4: Simplify right side
630,951.68x = 299,873,281,130.64 - Step 5: Solve for x
x = 299,873,281,130.64/630,951.68 - Step 6: Final answer
x = 475,271.39
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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.