Finding the Fourth Proportional to 586,252.19, 808,385.55 and 381,924.20
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Solution
The fourth proportional to 586,252.19, 808,385.55 and 381,924.20 is: 526,636.85
Step by Step Solution
- Step 1: Write the proportion equation
586,252.19 : 808,385.55 = 381,924.20 : x - Step 2: Convert to fraction form
586,252.19/808,385.55 = 381,924.20/x - Step 3: Cross multiply
586,252.19x = 808,385.55 × 381,924.20 - Step 4: Simplify right side
586,252.19x = 308,742,004,475.31 - Step 5: Solve for x
x = 308,742,004,475.31/586,252.19 - Step 6: Final answer
x = 526,636.85
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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.