Finding the Fourth Proportional to 553,590.84, 828,502.86 and 340,246.26
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Solution
The fourth proportional to 553,590.84, 828,502.86 and 340,246.26 is: 509,211.82
Step by Step Solution
- Step 1: Write the proportion equation
553,590.84 : 828,502.86 = 340,246.26 : x - Step 2: Convert to fraction form
553,590.84/828,502.86 = 340,246.26/x - Step 3: Cross multiply
553,590.84x = 828,502.86 × 340,246.26 - Step 4: Simplify right side
553,590.84x = 281,894,999,514.30 - Step 5: Solve for x
x = 281,894,999,514.30/553,590.84 - Step 6: Final answer
x = 509,211.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.