Finding the Fourth Proportional to 630,585.84, 870,226.97 and 344,124.42
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Solution
The fourth proportional to 630,585.84, 870,226.97 and 344,124.42 is: 474,901.80
Step by Step Solution
- Step 1: Write the proportion equation
630,585.84 : 870,226.97 = 344,124.42 : x - Step 2: Convert to fraction form
630,585.84/870,226.97 = 344,124.42/x - Step 3: Cross multiply
630,585.84x = 870,226.97 × 344,124.42 - Step 4: Simplify right side
630,585.84x = 299,466,351,319.61 - Step 5: Solve for x
x = 299,466,351,319.61/630,585.84 - Step 6: Final answer
x = 474,901.80
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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.