Finding the Fourth Proportional to 630,587.84, 870,229.73 and 344,126.42
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Solution
The fourth proportional to 630,587.84, 870,229.73 and 344,126.42 is: 474,904.56
Step by Step Solution
- Step 1: Write the proportion equation
630,587.84 : 870,229.73 = 344,126.42 : x - Step 2: Convert to fraction form
630,587.84/870,229.73 = 344,126.42/x - Step 3: Cross multiply
630,587.84x = 870,229.73 × 344,126.42 - Step 4: Simplify right side
630,587.84x = 299,469,041,562.47 - Step 5: Solve for x
x = 299,469,041,562.47/630,587.84 - Step 6: Final answer
x = 474,904.56
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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.