Finding the Fourth Proportional to 630,552.80, 870,183.84 and 344,088.60
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Solution
The fourth proportional to 630,552.80, 870,183.84 and 344,088.60 is: 474,853.72
Step by Step Solution
- Step 1: Write the proportion equation
630,552.80 : 870,183.84 = 344,088.60 : x - Step 2: Convert to fraction form
630,552.80/870,183.84 = 344,088.60/x - Step 3: Cross multiply
630,552.80x = 870,183.84 × 344,088.60 - Step 4: Simplify right side
630,552.80x = 299,420,339,248.22 - Step 5: Solve for x
x = 299,420,339,248.22/630,552.80 - Step 6: Final answer
x = 474,853.72
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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.